一いっ瞬しゅん

い

っ

しゅ

ん

Common wordJLPTN3Freq.FrequencyTop 5,000

Meanings

Refers to a very short moment; often used adverbially as 一瞬で or 一瞬のうちに.

〈事こと〉が一いっ瞬しゅんで〈動どう詞し〉something happens/finishes in an instant
花はな火びは一いっ瞬しゅんで消きえてしまった。
The fireworks vanished in an instant.
一いっ瞬しゅんのうちに〈事こと〉が起おこるsomething happens within a single instant
一いっ瞬しゅんのうちに事じ故こが起おこった。
The accident happened in the blink of an eye.
一いっ瞬しゅん〈動どう詞し〉to do something (think, hesitate, stop) for just a split second
彼かれは一いっ瞬しゅん考かんがえてから答こたえた。
He thought for just a moment before answering.

瞬しゅん間かんN3
瞬間 is the general word for 'moment' usable in many contexts, while 一瞬 stresses extreme brevity, almost like 'the blink of an eye'.
刹せつ那な
刹那 is a literary/philosophical term for an instant with a nuance of fleetingness, whereas 一瞬 is the everyday, neutral word for a very short moment.
あっという間まN3
一瞬 is a formal, neutral noun for 'an instant', while あっという間 is colloquial and often used as あっという間に to describe time passing quickly.
瞬しゅん時じ
一瞬 is a common, everyday word for 'an instant' and is often used adverbially, whereas 瞬時 is more formal and written.

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とっさN2
一瞬 simply means 'a brief instant' in terms of duration, whereas 咄嗟 focuses on the unexpectedness that forces an instinctive response.
束つかの間まN1
一瞬 emphasizes an extremely brief instant almost like a flash, while 束の間 stresses the wistful brevity of a period that still had some duration.
片かた時ときN1
一瞬 is a common, register-neutral word for 'an instant' that works in ordinary positive statements, whereas 片時 is a literary word mainly found in 〜も…ない patterns.

永えい遠えんN3
一瞬 means 'an instant, a moment', the direct opposite of 永遠's endless duration.

一いっ瞬しゅんUsage99%
Standard kanji spelling; high-frequency in news and general use.
いっしゅんUsage1%

Compound of 一 (one) and 瞬 (blink, instant). The literal sense is 'one blink', referring to a very short time.