いく・行く・往くiku[0]heiban (flat)

1. godan verb (irregular), intransitive verbto go; to move (towards); to head (towards); to leave (for)
   お母かあさん、泳およぎに行いってもいい？↗

   Can I go swimming, Mother?
2. godan verb (irregular), intransitive verbto move through; to travel across; to walk along (e.g. a road)
   探検家たんけんかが山中さんちゅうの道みちなき道みちを行おこなった。↗

   The explorer pushed his way through the trackless mountain region.
3. godan verb (irregular), intransitive verbto go (well, badly, etc.); to proceed; to turn out; to get along
   あなたのおかげで仕事しごとがうまく行いきました。↗

   Thanks to you, the job went well.
4. godan verb (irregular), intransitive verbto do (in a particular way); to go (with; a choice); to tryoft. as で〜
5. godan verb (irregular), intransitive verbto pass (of time, seasons, etc.); to go by
6. godan verb (irregular), intransitive verbto stream; to flow
7. godan verb (irregular), intransitive verbto die; to pass awayusu. written as 逝く
8. godan verb (irregular), intransitive verbto reach (a stage, extent, age, etc.); to get to; to go (so far as ...)
9. godan verb (irregular), intransitive verbto reach (of information, instructions, wind, etc.); to arrive
10. auxiliary verb, godan verb (irregular)to continue ...; to go on ...; to (progress) steadily; to gradually ...; to progressively ...after the -te form of a verb; い sometimes omitted in casual speech
    その音おとはだんだん小ちいさくなっていった。↗

    The sound grew fainter and fainter.
11. godan verb (irregular), intransitive verbto have an orgasm; to come; to cumoft. written as イク
12. godan verb (irregular), intransitive verbto trip; to get high; to have a drug-induced hallucination

• SynonymまいるFormalA formal, humble equivalent of 「行く」and「来る」for movement by yourself or your side, as in 「私が参ります」; also means to be defeated or unable to cope.
• Synonym出向くでむくNeutralGoing of one's own accord to another party's place or a site to handle something, as in 「現地に出向く」; carries the nuance of making a special trip for that purpose.
• Related至るいたるWrittenA written, formal word for reaching a place, stage, or conclusion, as in 「結論に至る」; stresses the endpoint reached rather than the movement itself.
• Related通うかようNeutralRegularly going back and forth to a place, as in 「学校に通う」; emphasizes repeated trips, while a one-time trip takes 「行く」.
• Related越すこすNeutralCrossing over a mountain or obstacle, or getting through a period of time, as in 「峠を越す」「冬を越す」; the focus is on getting over rather than heading somewhere.
• Related去るさるNeutralStresses leaving the place where one was, as in 「東京を去る」; a destination may be included, whereas 「行く」 centers on where one is headed.
• RelatedすぎるNeutralFlashing past before one's eyes; more often used for a thought or anxiety flashing through the mind, as in 「不安が心をよぎる」.
• RelatedうつるNeutralMoving to another place or state, as in 「新しい部署に移る」; emphasizes the change of position or affiliation.
• Related流れるながれるNeutralLiquids, time, and the like flowing naturally, as in 「月日が流れる」; close to 「行く」 in its sense of time passing, but not used for a person actively going somewhere.
• Related過ぎ行くすぎゆくWrittenA literary word for passing by a place and moving on, used mostly for the passage of time, as in 「過ぎ行く季節」.
• Related行き着くいきつくNeutralArriving at one's destination or ending up at a certain outcome, as in 「行き着く先」; stresses the final point reached.
• AntonymくるNeutralThe directional opposite of 「行く」: movement toward where the speaker or the narrative viewpoint is located.
• Antonym帰るかえるNeutralContrasts with the setting-out sense of 「行く」: returning to where one belongs, such as one's home or home country.
• Antonym戻るもどるNeutralThe opposite of 「行く」: going back to one's original place or state, as in 「席に戻る」; not limited to going home.

For going somewhere, 「行く」 is the default; use 「参る」 when speaking humbly about your own movement. Use 「通う」 for regular back-and-forth trips, 「出向く」 for deliberately going somewhere to take care of something, and 「至る」 or 「行き着く」 for reaching an endpoint or conclusion.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 【行いく】目的地もくてきちへ移動いどうする。ゆく。
2. 【往ゆく】出発点しゅっぱつてんから目的地もくてきちまで進すすむ。
3. 今いまいる場所ばしょから離はなれる。
4. 道みちを進すすむ。
5. 過すぎる。通とおる。流ながれる。
6. 通かよう。
7. 部署ぶしょを移うつる。異動いどうする。
8. 【逝いく】逝去せいきょする。「死しぬ」の婉曲えんきょく表現ひょうげん。
9. 時ときが過すぎる。経過けいかする。
10. ある方法ほうほうを取とる。やる。積極的せっきょくてきに行おこなう。また安易あんいに行おこなう。
11. 思おもう通とおりにやれる。成功せいこうする。
12. 納得なっとく・満足まんぞくなどの感覚かんかくを得うる。
13. （多おおく打ち消うちけしや反語はんごの形かたちで）よい。十分じゅうぶんだ。基準きじゅんを満みたす。
14. 年齢ねんれいが十分じゅうぶんである。その年齢ねんれいに達たっする。
15. とつぐ。
16. オーガズムに達たっする。
17. （補助ほじょ動詞どうし、＜動作どうさ・変化へんかを表あらわす動詞どうしの連用形れんようけい-て-＞に接続せつぞくする）
18. 動作主どうさしゅが目的地もくてきちへ移動いどうする途中とちゅうまたは直前ちょくぜんに動作どうさをすることを表現ひょうげんする。
19. 起点きてんを基準きじゅんにして、状態じょうたいが変化へんかすることを表現ひょうげんする。
20. 動作主どうさしゅが基準きじゅんの時点じてんから動作どうさを継続けいぞくまたは反復はんぷくすることを表現ひょうげんする。