一
one · one radical (no.1)
Details
Stroke Order
Cultural Context
Etymology
Simple horizontal stroke representing 'one'. The most fundamental number.
Symbolism
Beginning, unity, uniqueness. Represents precious moments in life as in 'ichigo ichie'.
Related Culture & Scenes
- — Building wealth
Words & Expressions
Four-Character Compounds
一意専心
いちいせんしん
single-mindedly; wholeheartedly; with all one's heart; single-mindedly
一衣帯水
いちいたいすい
(being separated only by a) narrow strip of water; narrow strait (channel, river); (being separated only by a) narrow strip of water
一家団欒
いっかだんらん
happy family get-together; happy family get-together
一喜一憂
いっきいちゆう
alternating between happiness and anxiety; swinging between joy and sorrow; being glad and sad by turns; alternating between happiness and anxiety
一期一会
いちごいちえ
once-in-a-lifetime encounter; uniquely precious experience; one lifetime, one meeting; once-in-a-lifetime encounter
一気呵成
いっきかせい
finishing writing, work, etc. at a stroke (stretch); knocking something off without a break; finishing writing, work, etc. at a stroke (stretch)
一騎当千
いっきとうせん
being a match for a thousand; being a mighty warrior (combatant, player); being a match for a thousand
一挙一動
いっきょいちどう
one's every action; every single move; one's every action
一挙両得
いっきょりょうとく
killing two birds with one stone; serving two ends; killing two birds with one stone
一言一行
いちげんいっこう
every word and act; just a word or an act; every word and act
一言居士
いちげんこじ
person who is ready to comment on every subject; ready critic; person who is ready to comment on every subject
一刻千金
いっこくせんきん
every moment is precious; time is money; precious time; every moment is precious
一子相伝
いっしそうでん
transmission of the secrets of an art, craft, trade or learning from father to only one child; transmission of the secrets of an art, craft, trade or learning from father to only one child
一死報国
いっしほうこく
dying for one's country; dying for one's country
一紙半銭
いっしはんせん
small sum; things of little value; small sum
一視同仁
いっしどうじん
loving every human being with impartiality; universal brotherhood; universal benevolence; loving every human being with impartiality
一字千金
いちじせんきん
word of great value; word of great value
一汁一菜
いちじゅういっさい
one-plate meal; simple meal; austerity diet; one-plate meal
一宿一飯
いっしゅくいっぱん
(being beholden to someone for a favor of) a night's lodging and a meal; (being beholden to someone for a favor of) a night's lodging and a meal
一所懸命
いっしょけんめい
very hard; with utmost effort; as hard as one can; very hard
一触即発
いっしょくそくはつ
critical (touch and go) situation; explosive situation; critical (touch and go) situation
一心同体
いっしんどうたい
being one in body and soul; of one flesh; two hearts beating as one; being one in body and soul
一心不乱
いっしんふらん
wholeheartedly; with heart and soul; intently; wholeheartedly
一新紀元
いっしんきげん
new era; new age; new era
一進一退
いっしんいったい
now advancing and now retreating; ebb and flow; seesawing; now advancing and now retreating
一生懸命
いっしょうけんめい
very hard; with utmost effort; as hard as one can; very hard
一石二鳥
いっせきにちょう
killing two birds with one stone; killing two birds with one stone
一切衆生
いっさいしゅじょう
all living creatures; all living creatures
一知半解
いっちはんかい
superficial knowledge; half knowledge; superficial knowledge
一張一弛
いっちょういっし
tension and relaxation; tension and relaxation
一朝一夕
いっちょういっせき
in a day; in a brief space of time; in a day
一長一短
いっちょういったん
(something having its) merits and demerits; advantages and disadvantages; good points and shortcomings; (something having its) merits and demerits
一天四海
いってんしかい
the world; the universe; the world
一天万乗
いってんばんじょう
the whole realm; the whole realm
一刀両断
いっとうりょうだん
cutting in two with a single stroke; taking decisive action; dealing with decisively; cutting in two with a single stroke
一得一失
いっとくいっしつ
gaining some and losing some; (something having its) advantages and disadvantages; gaining some and losing some
一日片時
いちにちへんじ
short time; short time
一念発起
いちねんほっき
being resolved to (do something); having a wholehearted intention; being resolved to (do something)
一夫一婦
いっぷいっぷ
monogamy; monogamy
一夫多妻
いっぷたさい
polygamy; polygyny; polygamy
一部始終
いちぶしじゅう
full particulars; all the details; the whole story; full particulars
一分一厘
いちぶいちりん
(not even) a bit of; (not even) a hint of; (not) an iota of; (not even) a bit of
一方通行
いっぽうつうこう
one-way traffic; one-way (e.g. communication); one-sided; one-way traffic
一望千里
いちぼうせんり
sweeping view of the eye; boundless expanse; sweeping view of the eye
一本調子
いっぽんぢょうし
monotone; monotonous; dull; monotone
一枚看板
いちまいかんばん
leading player; prima donna; box-office star; leading player
一網打尽
いちもうだじん
round-up (e.g. of criminals); wholesale arrest; catching the whole herd with one throw; round-up (e.g. of criminals)
一目瞭然
いちもくりょうぜん
obvious; (as) clear as day; plain to see; obvious
一問一答
いちもんいっとう
answering question by question; answering question by question
一利一害
いちりいちがい
advantages and disadvantages; gain some, lose some; advantages and disadvantages
一蓮托生
いちれんたくしょう
sharing one's lot with another; being in the same boat; sharing one's lot with another
一六勝負
いちろくしょうぶ
gambling on whether the throw of a die will produce a "one" or a "six"; gambling with dice; gambling; gambling on whether the throw of a die will produce a "one" or a "six"
一瀉千里
いっしゃせんり
one swift effort; rush through one's work; fast-talking, writing, etc.; one swift effort
一顰一笑
いっぴんいっしょう
one's mood; one's caprice; a smile or a frown; one's mood
開口一番
かいこういちばん
at the very beginning of one's speech; immediately upon opening one's mouth (to speak); before anything else; at the very beginning of one's speech
乾坤一擲
けんこんいってき
stake all (on something); play for all or nothing; throwing all into a task; stake all (on something)
危機一髪
ききいっぱつ
by a hair's breadth; in the nick of time; touch and go; by a hair's breadth
緊褌一番
きんこんいちばん
gird oneself up; gird oneself up
九牛一毛
きゅうぎゅうのいちもう
small fraction (of); drop in the bucket; drop in the ocean; small fraction (of)
九死一生
きゅうしいっしょう
narrow escape from the jaw of death; narrow escape from the jaw of death
言行一致
げんこういっち
acting up to one's words; consistency between speech and action; acting up to one's words
三位一体
さんみいったい
the Trinity; three parts; three components; the Trinity
十年一日
じゅうねんいちじつ
without intermission for ten (long) years; with constancy of purpose for ten (long) years; in the same old rut for years on end; without intermission for ten (long) years
真一文字
まいちもんじ
straight line; beeline; straight line
真実一路
しんじついちろ
path of sincerity; path of sincerity
尋常一様
じんじょういちよう
ordinary; common; mediocre; ordinary
千載一遇
せんざいいちぐう
once-in-a-lifetime (opportunity); golden (opportunity); one-in-a-million (chance); once-in-a-lifetime (opportunity)
天下一品
てんかいっぴん
beyond compare; peerless; unrivaled; beyond compare
二者選一
にしゃせんいつ
choosing between two things; two choices; choosing between two things
二者択一
にしゃたくいつ
choosing between two things; two choices; choosing between two things
八紘一宇
はっこういちう
universal brotherhood; all eight corners of the world under one roof; universal brotherhood
表裏一体
ひょうりいったい
the two views (of an object) referring to the same thing; being inseparable like the two sides of an object; two sides of the same coin; the two views (of an object) referring to the same thing
万世一系
ばんせいいっけい
unbroken imperial line; unbroken imperial line
満場一致
まんじょういっち
unanimity; unanimous consent; unanimous agreement; unanimity
唯一無二
ゆいいつむに
one and only; unique; one and only
一言半句
いちげんはんく
a single word; (not even) a word; (not even) a syllable; a single word
一世一代
いっせいちだい
once in a lifetime; the first and last occurrence (event, experience) of one's lifetime; once in a lifetime
一日千秋
いちじつせんしゅう
(waiting) impatiently; (spending) many a weary day; each moment seeming like an eternity; (waiting) impatiently
一攫千金
いっかくせんきん
getting rich quick; making a killing; making a fortune at a single stroke; getting rich quick
一切合切
いっさいがっさい
any and every thing; altogether; lock, stock, and barrel; any and every thing
千編一律
せんぺんいちりつ
monotonous; humdrum; stereotyped; monotonous
渾然一体
こんぜんいったい
in complete harmony; in complete harmony
破顔一笑
はがんいっしょう
smiling broadly; smiling broadly
挙国一致
きょこくいっち
national unity; unity of the whole nation; national unity
首尾一貫
しゅびいっかん
consistent; unchanging from beginning to end; consistent
終始一貫
しゅうしいっかん
consistently; unchangingly; throughout; consistently
衆議一決
しゅうぎいっけつ
deciding unanimously or by consensus; deciding unanimously or by consensus
一字一句
いちじいっく
word for word; verbatim; literally; word for word
一言一句
いちごんいっく
every single word and phrase; word by word; every single word and phrase
一病息災
いちびょうそくさい
one who experiences a chronic ailment takes better care of his health and lives longer; one who experiences a chronic ailment takes better care of his health and lives longer
一陽来復
いちようらいふく
return of spring; long-awaited, favorable turn of fortune (favourable); return of spring
政教一致
せいきょういっち
unity of church and state; unity of church and state
十年一昔
じゅうねんひとむかし
the pace of change makes ten years back seem like ancient history; the pace of change makes ten years back seem like ancient history
言文一致
げんぶんいっち
unification of the written and spoken forms of a language; unification of the written and spoken forms of a language
霊肉一致
れいにくいっち
unity of body and spirit; unity of body and spirit
祭政一致
さいせいいっち
unity of church and state; theocracy; unity of church and state
心機一転
しんきいってん
changing one's attitude; turning over a new leaf; getting a fresh start; changing one's attitude
一致団結
いっちだんけつ
solidarity; banding together and working as one for a common cause; solidarity
一所不住
いっしょふじゅう
vagrant; transient lifestyle; vagrant
一家眷属
いっかけんぞく
one's family, relations, and followers; one's family, relations, and followers
一虚一実
いっきょいちじつ
constantly changing phase and being highly unpredictable; constantly changing phase and being highly unpredictable
一件落着
いっけんらくちゃく
an issue being settled; a case being closed; an issue being settled
一族郎党
いちぞくろうとう
one's family and followers; one's whole clan; one's family and followers
一諾千金
いちだくせんきん
one's word is worth 1,000 pieces of gold; a promise should be kept at all cost; one's word is worth 1,000 pieces of gold
一日三秋
いちじつさんしゅう
(waiting) impatiently; (spending) many a weary day; each moment seeming like an eternity; (waiting) impatiently
一罰百戒
いちばつひゃっかい
punishing a crime to make an example for others; punishing a crime to make an example for others
一味徒党
いちみととう
whole party to a plot; whole gang; fellow conspirators; whole party to a plot
一路順風
いちろじゅんぷう
sailing before the wind; everything is going well; sailing before the wind
一路平安
いちろへいあん
(wishing someone) bon voyage; (wishing someone) bon voyage
鎧袖一触
がいしゅういっしょく
(beating someone) hands down; with a single blow; (beating someone) hands down
頑固一徹
がんこいってつ
stubborn; obstinate; adamant; stubborn
春宵一刻
しゅんしょういっこく
a moment of time in a spring evening (is worth a thousand pieces of gold); a moment of time in a spring evening (is worth a thousand pieces of gold)
人心一新
じんしんいっしん
complete change in public sentiment; leading the thought of the people to an entirely different channel; complete change in public sentiment
精神一到
せいしんいっとう
concentration of mind; mental concentration (on some task); concentration of mind
精神統一
せいしんとういつ
concentration of mind; mental concentration (on some task); concentration of mind
台風一過
たいふういっか
clear weather after a typhoon has passed; clear weather after a typhoon has passed
大喝一声
だいかついっせい
shouting in a thunderous voice; blustering out; shouting in a thunderous voice
知行合一
ちこうごういつ
awareness comes only through practice; awareness comes only through practice
当代随一
とうだいずいいち
the greatest of the day; the greatest of the day
万死一生
ばんしいっしょう
advancing in the face of death; having a narrow escape from the jaw of death; advancing in the face of death
万緑一紅
ばんりょくいっこう
one red flower standing out in a sea of green vegetation; one item of quality standing out among many; one woman among many men; one red flower standing out in a sea of green vegetation
面目一新
めんもくいっしん
undergoing a complete change in appearance; changing something out of all recognition; a rise in one's reputation; undergoing a complete change in appearance
心身一如
しんしんいちにょ
body and mind as one; mind-body unity; body and mind as one
千慮一失
せんりょいっしつ
mere slip by someone who is usually very careful; simple mistake by a wise person; point overlooked by a cautious person; mere slip by someone who is usually very careful
千慮一得
せんりょいっとく
even a fool may sometimes come up with a good idea; even a fool may sometimes come up with a good idea
大死一番
だいしいちばん
exerting oneself to the utmost, prepared to die if necessary; exerting oneself to the utmost, prepared to die if necessary
一芸一能
いちげいいちのう
(excelling in) one area or skill; (being skilled or gifted in) one certain area; (excelling in) one area or skill
一伍一什
いちごいちじゅう
full particulars; the whole story; from beginning to end; full particulars
一語一句
いちごいっく
every single word and phrase; each and every word; every single word and phrase
一上一下
いちじょういちげ
going up and down; going up and down
一大決心
いちだいけっしん
momentous (crucial) decision; momentous (crucial) decision
一読三嘆
いちどくさんたん
a reading leaves one with ceaseless sighs of admiration; a reading leaves one with ceaseless sighs of admiration
一人当千
いちにんとうせん
being a match for a thousand; being a match for a thousand
一木一草
いちぼくいっそう
a single tree or blade of grass; every stick and stone (of a place); a single tree or blade of grass
一味同心
いちみどうしん
(people) working together with one mind; (people) working together with one mind
一国一城
いっこくいちじょう
(possession of) one feudal domain and one castle; being independent (acting without compromise or assistance); establishing only one castle in each feudal domain (edict issued by the shogunate in 1615); (possession of) one feudal domain and one castle
一唱三嘆
いっしょうさんたん
one reading (of a poem aloud) leaves one with ceaseless sighs of admiration; one reading (of a poem aloud) leaves one with ceaseless sighs of admiration
一笑千金
いっしょうせんきん
a smile of a beautiful woman is worth a thousand pieces of gold; enchanting smile of a glamorous woman; a smile of a beautiful woman is worth a thousand pieces of gold
一生不犯
いっしょうふぼん
(strict) observance of the Buddhist precept of lifelong celibacy; (strict) observance of the Buddhist precept of lifelong celibacy
一世風靡
いっせいふうび
ruling the times; holding sway over the minds of the people; ruling the times
一殺多生
いっさつたしょう
it is justifiable to kill one person to save the lives of many; it is justifiable to kill one person to save the lives of many
一旦緩急
いったんかんきゅう
(when) danger threatens; should an emergency occur; (when) danger threatens
一点一画
いってんいっかく
the dots of i's and the crosses of t's; (not neglecting) the slightest details; the dots of i's and the crosses of t's
一発必中
いっぱつひっちゅう
success on the first try (attempt); success on the first try (attempt)
一筆啓上
いっぴつけいじょう
this will just be a short note; I'm writing to tell you; this will just be a short note
義理一遍
ぎりいっぺん
perfunctory; going-through-the-motions-sort of (invitation, gift, etc.); perfunctory
槿花一日
きんかいちじつ
evanescent glory; passing prosperity; evanescent glory
槿花一朝
きんかいっちょう
evanescent glory; passing prosperity; evanescent glory
愚者一得
ぐしゃいっとく
even a fool may sometimes give good counsel; even a fool may sometimes give good counsel
形影一如
けいえいいちにょ
being inseparable as a form and its shadow; a person's deed mirrors the good or evil of his mind; husband and wife being never apart; being inseparable as a form and its shadow
紫電一閃
しでんいっせん
flash of lightning; flash of a sword; brandishing a sword; flash of lightning
純一無雑
じゅんいつむざつ
pure and unadulterated; pure in heart; simplehearted; pure and unadulterated
専心一意
せんしんいちい
single-mindedly; wholeheartedly; with one's heart and soul; single-mindedly
寵愛一身
ちょうあいいっしん
standing highest in one's master's favor; monopolizing the affection (favor) of the lord; being the lord's favorite lady; standing highest in one's master's favor
奮起一番
ふんきいちばん
bracing oneself up to action, being inspired by something; getting down to work, putting heart and soul into it; tackling (a job) with gusto; bracing oneself up to action, being inspired by something
唯一不二
ゆいいつふじ
one and only; unique; one and only
励声一番
れいせいいちばん
giving cries of encouragement at a critical moment; giving cries of encouragement at a critical moment
一世一元
いっせいいちげん
the practice of assigning one era name to one emperor; the practice of assigning one era name to one emperor
一粒万倍
いちりゅうまんばい
a single seed can eventually produce a great harvest; even the smallest beginning can generate a greatest profit; watch the pennies, and the pounds will look after themselves; a single seed can eventually produce a great harvest
一暴十寒
いちばくじっかん
bursts of exertion will fail to bear fruit if interrupted by long periods of idleness; strenuous efforts, unless sustained, are to no avail; bursts of exertion will fail to bear fruit if interrupted by long periods of idleness
一目十行
いちもくじゅうぎょう
outstanding reading ability; one glance, ten lines; outstanding reading ability
一文不通
いちもんふつう
total illiteracy; total illiteracy
一切皆空
いっさいかいくう
matter is void; all is vanity; matter is void
一擲千金
いってきせんきん
being lavish with one's money; spending a huge sum of money at once on a treat; being lavish with one's money
十死一生
じっしいっしょう
narrow escape from the jaws of death; there being barely a chance of escaping death; narrow escape from the jaws of death
一文半銭
いちもんきなか
meagre sum of money; meagre sum of money
黄粱一炊
こうりょういっすい
fleeting nature of riches and honour (honor); fleeting nature of riches and honour (honor)
衆口一致
しゅうこういっち
speaking with one voice; being unanimous; speaking with one voice
一強多弱
いっきょうたじゃく
one strong, many weak; one strong, many weak
一虚一盈
いっきょいちえい
constantly changing phase and being highly unpredictable; constantly changing phase and being highly unpredictable
一顧傾城
いっこけいせい
woman so glamorous as to bring ruin to a country (castle) as its king (lord) is captivated by her beauty; femme fatale; woman so glamorous as to bring ruin to a country (castle) as its king (lord) is captivated by her beauty
貧者一灯
ひんじゃのいっとう
one's mite; widow's mite; one lantern from a poor man (i.e. no-one can give more than the only thing they have); one's mite
打成一片
たじょういっぺん
intensive zazen meditation on a subject; knocking all into one; intensive zazen meditation on a subject
一行三昧
いちぎょうざんまい
complete concentration on one subject (usu. prayer); one-practice absorption; complete concentration on one subject (usu. prayer)
一球入魂
いっきゅうにゅうこん
putting one's heart and soul into each pitch; putting one's heart and soul into each pitch
一栄一落
いちえいいちらく
rise and fall; rise and fall
一億一心
いちおくいっしん
national unity (esp. during wartime); national unity (esp. during wartime)
一強皆弱
いっきょうかいじゃく
one strong, everyone else weak; one strong, everyone else weak
Proverbs & Idioms
一寸先は闇
いっすんさきはやみ
An inch ahead is darkness
The future is completely unpredictable