一周|いっしゅうisshuu[0]heiban (flat)
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Definitions
- noun, suru verb, transitive verb, intransitive verbone round; one circuit; one revolution; one lap; one turn
Conjugation
| Dictionary form | 一周する（いっしゅうする） |
|---|---|
| Polite (masu) | 一周します（いっしゅうします） |
| Negative (nai) | 一周しない（いっしゅうしない） |
| polite (masen) | 一周しません（いっしゅうしません） |
| classical zu / nu | 一周せず・一周せぬ（いっしゅうせず・いっしゅうせぬ） |
| Past (ta) | 一周した（いっしゅうした） |
| polite (mashita) | 一周しました（いっしゅうしました） |
| Past negative (nakatta) | 一周しなかった（いっしゅうしなかった） |
| polite (masen deshita) | 一周しませんでした（いっしゅうしませんでした） |
| Te form | 一周して（いっしゅうして） |
| Potential | 一周できる（いっしゅうできる） |
| Passive | 一周される（いっしゅうされる） |
| Causative | 一周させる（いっしゅうさせる） |
| Causative passive | 一周させられる（いっしゅうさせられる） |
| Conditional (ba) | 一周すれば（いっしゅうすれば） |
| tara | 一周したら（いっしゅうしたら） |
| Volitional | 一周しよう（いっしゅうしよう） |
| polite (mashou) | 一周しましょう（いっしゅうしましょう） |
| Imperative | 一周しろ（いっしゅうしろ） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Synonym一回りひとまわりNeutralNeutral. One turn, a difference of one size, or a twelve-year zodiac cycle, as in 「一回り大きい」; 「一周」 leans toward completing a lap.
- Synonym一巡いちじゅんWrittenWritten/formal prose: going through a full cycle in order, as in 「打者一巡」; 「一周」 leans toward completing a lap.
- SynonymめぐるNeutralNeutral verb: to go around, circulate, or visit places, in speech and writing alike, as in 「季節が巡る」「各地を巡る」; 「一周」 is a noun.
- Synonym一巡りひとめぐりWrittenWritten/formal prose: one round, or the first anniversary of a death; 「一周」 leans toward completing a lap or a full year.
- Related回転かいてんNeutralNeutral. Rotation or spinning, also turnover of funds, as in 「回転寿司」; 「一周」 leans toward completing a full lap.
- Related旋回せんかいWrittenWritten/formal prose: circling or changing course, as an aircraft or ship does in motion, as in 「旋回飛行」; 「一周」 leans toward completing a full lap.
- Related回るまわるNeutralNeutral verb: to spin or make the rounds, as in 「町を回る」; 「一周」 is a noun for completing one lap.
- Related回りまわりNeutralNeutral. Rotation or one's surroundings, as in 「身の回り」; 「一周」 leans toward completing a full lap.
- Related自転じてんWrittenWritten/formal prose: rotation on an axis, as of a celestial body; 「一周」 leans toward completing a full lap.
- Related転回てんかいWrittenWritten/formal prose: a turn or reversal of direction, as in 「方向転回」; 「一周」 leans toward completing a full lap.
- RelatedスピンCasualColloquial loanword: spinning, or spin in PR and politics, as in 「スピンをかける」; 「一周」 leans toward completing a lap.
- Related回旋かいせんWrittenWritten/formal prose: circling or spiraling round; 「一周」 leans toward completing a full lap.
- Related回転運動かいてんうんどうWrittenWritten/formal prose: rotary motion in physics; 「一周」 leans toward completing a full lap.
- Related公転こうてんWrittenWritten/formal prose: orbital revolution of a celestial body around another; 「一周」 leans toward completing a full lap.
- Related巡りめぐりNeutralNeutral. Touring or circulation, as in 「血の巡り」; common in daily speech. 「一周」 leans toward completing a full lap.
- RelatedＬＡＰラップWrittenMainly the telecom abbreviation for Link Access Protocol, unrelated to circling; for a lap of a track, use 「一周」.
Use 「一周」 for completing one lap or a full year, as in 「世界一周」「グラウンド一周」. For one size larger or smaller, or a twelve-year zodiac cycle, use 「一回り」; for rotation or turnover, 「回転」; for going through a full cycle in order, 「一巡」. Most others are written terms for spinning or turning; the verbs 「回る」「巡る」 express the action.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
