一瞬(いっしゅん)

いっしゅん
noun/adverb
instant, moment, split second
1. instant, moment
An extremely brief period of time.
一瞬(いっしゅん)の出来事(できごと)だった。
It was a momentary event.
一瞬(いっしゅん)目(め)を離(はな)した隙(すき)に。
In the instant I looked away.
一瞬(いっしゅん)で景色(けしき)が変(か)わった。
The scenery changed in an instant.
2. for an instant, momentarily
Used adverbially to describe something happening very briefly.
一瞬(いっしゅん)、何(なに)が起(お)きたか分(わ)からなかった。
For an instant, I didn't understand what happened.
一瞬(いっしゅん)迷(まよ)ったが、すぐに決(き)めた。
I hesitated for a moment, but decided right away.
一瞬(いっしゅん)彼(かれ)の顔(かお)が見(み)えたが、すぐに人込(ひとご)みに消(き)えた。
I caught a glimpse of his face for an instant, but he quickly disappeared into the crowd.

一瞬(いっしゅん) refers to a very brief moment.

COMMON PATTERNS:

  • 一瞬(いっしゅん)の + noun (a momentary ~)
  • 一瞬(いっしゅん)で (in an instant)
  • 一瞬(いっしゅん)にして (in a flash)
  • ほんの一瞬(いっしゅん) (just a moment)

SIMILAR WORDS:

  • 瞬間(しゅんかん): moment, instant
  • 一瞬(いっしゅん): instant (emphasizes brevity)
  • 一刻(いっこく): a moment (literary)
general
Added 2026.1.9 21:15 · Revised 2026.2.20 10:15
01500/01805_isshun