気絶|きぜつkizetsu[0]heiban (flat)

Common
Definitions
  1. noun, suru verb, intransitive verbfaint; fainting; losing consciousness
    その暑あつさで気絶きぜつして、気きがついたら救命きゅうめいいかだの中なかにいた。↗
    I fainted from the heat, and when I came to, I was in a life raft.
Conjugation
Dictionary form気絶する(きぜつする)
Polite (masu)気絶します(きぜつします)
Negative (nai)気絶しない(きぜつしない)
polite (masen)気絶しません(きぜつしません)
classical zu / nu気絶せず・気絶せぬ(きぜつせず・きぜつせぬ)
Past (ta)気絶した(きぜつした)
polite (mashita)気絶しました(きぜつしました)
Past negative (nakatta)気絶しなかった(きぜつしなかった)
polite (masen deshita)気絶しませんでした(きぜつしませんでした)
Te form気絶して(きぜつして)
Potential気絶できる(きぜつできる)
Passive気絶される(きぜつされる)
Causative気絶させる(きぜつさせる)
Causative passive気絶させられる(きぜつさせられる)
Conditional (ba)気絶すれば(きぜつすれば)
tara気絶したら(きぜつしたら)
Volitional気絶しよう(きぜつしよう)
polite (mashou)気絶しましょう(きぜつしましょう)
Imperative気絶しろ(きぜつしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym失神しっしんWrittenWritten, often medical, for losing consciousness; also covers fainting from shock or fright. 「気絶」 is the everyday word for suddenly passing out.
  • Synonym卒倒そっとうWrittenWritten/formal for suddenly fainting and collapsing; stresses the act of falling down, as in 「驚いて卒倒する」.
  • Synonym昏倒こんとうWrittenWritten/formal for fainting and falling to the ground; stresses collapsing after losing consciousness.
  • Antonym覚醒かくせいWrittenWritten/formal antonym: waking up or awakening, the opposite of the loss of consciousness in 「気絶」.
  • Antonym意識回復NeutralNeutral, explanatory term for regaining consciousness; the opposite of passing out in 「気絶」.

For suddenly passing out in everyday speech use 「気絶」, as in 「ショックで気絶する」. In medical or written prose prefer 「失神」; for fainting and falling down use 「卒倒」 or 「昏倒」. Opposites: 「覚醒」, 「意識回復」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 一時的いちじてきに気きを失うしなうこと。
Kanji in this word
English equivalents

Say it right, write it right

Core lookup works fully offline, with cloud pronunciation and one-tap save & review. Free, no sign-up.

Free downloadWindowsFree downloadmacOSDownload on the App StoreGet it on Google Play
MobileiOS / Android

Android

QR code for the Google Play pageGet it on Google Play

Scan it with your Android phone to install, or search for “Tomoshi” on Google Play.

iOS

QR code for the App Store pageDownload on the App Store

Scan it with your iPhone camera to install, or search for “Tomoshi” in the App Store.

Install the browser extensionLook words up on any web page · Chrome / Edge / Safari

Screenshot of a Tomoshi lookup resultScreenshot of Tomoshi lookup results on a phone

Windows macOS Chrome / Edge / Safari extension iOS / Android