喫煙・喫烟|きつえんkitsuen[0]heiban (flat)

Common
Which spelling to use
喫煙For beginners, 喫煙 is the most common written form and the form to use by default; it is written entirely in kanji.
喫烟喫烟 is a rarely used kanji-only variant, so learners will seldom see it.
Definitions
  1. noun, suru verb, intransitive verbsmoking (tobacco)
    ここでの喫煙きつえんは許可きょかされていません。↗
    Smoking is not permitted here.
Conjugation
Dictionary form喫煙する(きつえんする)
Polite (masu)喫煙します(きつえんします)
Negative (nai)喫煙しない(きつえんしない)
polite (masen)喫煙しません(きつえんしません)
classical zu / nu喫煙せず・喫煙せぬ(きつえんせず・きつえんせぬ)
Past (ta)喫煙した(きつえんした)
polite (mashita)喫煙しました(きつえんしました)
Past negative (nakatta)喫煙しなかった(きつえんしなかった)
polite (masen deshita)喫煙しませんでした(きつえんしませんでした)
Te form喫煙して(きつえんして)
Potential喫煙できる(きつえんできる)
Passive喫煙される(きつえんされる)
Causative喫煙させる(きつえんさせる)
Causative passive喫煙させられる(きつえんさせられる)
Conditional (ba)喫煙すれば(きつえんすれば)
tara喫煙したら(きつえんしたら)
Volitional喫煙しよう(きつえんしよう)
polite (mashou)喫煙しましょう(きつえんしましょう)
Imperative喫煙しろ(きつえんしろ)

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

Synonyms & antonyms
  • SynonymスモーキングNeutralLoanword for smoking, seen mostly on signs like 「ノースモーキング」; in ordinary contexts 「喫煙」 is the standard word.
  • Related吸うすうNeutralA verb: to inhale, and also to smoke, as in 「タバコを吸う」; fine in both speech and writing, while 「喫煙」 is a noun used mainly in rules and signs.
  • RelatedふかすCasualColloquial: to smoke and puff out smoke, also to rev an engine or put on airs; 「喫煙」 covers only the act of smoking and is more formal.
  • Related一服いっぷくNeutralA puff on a cigarette or a cup of tea, by extension a short break; 「喫煙」 is the act of smoking itself, used in rules and signs.
  • Antonym禁煙きんえんNeutralAntonym: banning smoking or quitting it; the opposite of 「喫煙」 on whether one smokes, as in 「禁煙席」 vs 「喫煙席」.

Use 「喫煙」 for smoking in rules and signs, as in 「喫煙所」. In everyday speech say 「タバコを吸う」; for a quick smoke and a break, 「一服」. The antonym is 「禁煙」.

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

Japanese definitions
  1. 煙草たばこを吸すうこと。
Kanji in this word
English equivalents

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