一

Meaning

一 represents the number one, the simplest unit. The radical sense is the same single horizontal stroke used as a component in other characters.

• 一いち
  N5

  one; 1

• 一ひと

  one

• 一緒いっしょ
  N5

  (doing) together

• 一番いちばん
  N5

  number one; first; first place

• 一つひとつ
  N5

  one

• 一般いっぱん
  N3

  general; universal

• 一部いちぶ
  N2

  one part; one portion; one section

• 一方いっぽう
  N3

  one (esp. of two); the other; one way; the other way; one direction; the other direction; one side; the other side; one party; the other party

• 一杯いっぱい
  N5

  one cup (of); one glass (of); one bowl (of); cupful; glassful; bowlful; spoonful

• 唯一ゆいいつ
  N3

  only; sole; unique

• 一体いったい
  N3

  (what) the heck; (why) in the world; (who) on earth; (where) the hell; (how) the hell

• 一覧いちらん

  look; glance; sight; having a look at; looking over; glancing through; running one's eyes over

• 一切いっさい
  N2

  all; everything; entirety; the whole

• 一人ひとり
  N5

  one person

• 一生いっしょう
  N3

  whole life; a lifetime; all through life

• 一時いちじ
  N4

  one o'clock

• 一瞬いっしゅん
  N3

  instant; moment; for an instant

• 一応いちおう
  N3

  more or less; though not quite satisfactorily; after a fashion; pretty much; roughly; so far as it goes; technically

• 統一とういつ
  N2

  unity; consolidation; uniformity; unification; compatible

• 一定いってい
  N3

  to fix; to settle; to standardize; to regularize

• 一気にいっきに
  N2

  in one go; in one gulp; in one breath; without stopping; without pausing; without a rest; in one sitting; at a stretch

• 一言ひとこと
  N3

  single word; a few words; brief comment

• もう一度もういちど
  N5

  once more; again

• 一致いっち
  N3

  agreement; accord; correspondence; consistency; coincidence; match

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