noun

  1. a moment, a minute, an instant.

adjectival noun or quasi-adjective

Messages.dated. Also written as 一国, 一克, 一剋.
  1. stubborn, obstinate.

Variations

Pronunciation Kanji Kana Is Common
一刻 いっこく
一克 いっこく
一剋 いっこく

Contained Kanji Breakdown

one, one radical (no.1)
イチ いっ ひと- (1st, N5)
engrave, cut fine, chop
コク きざ.む (6th, N3)
sign of the hog, 9-11PM, twelfth sign of the Chinese zodiac
い ガイ り (Kentei Pre-1, N1)
kettle lid radical (no. 8)
トウ (Kentei 1)
the fore-arm(厷) variant
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
person
ひと ニン ジン (1st, N5)
knife, standing sword radical (no. 18)
トウ