嘆息・歎息|たんそくtansoku[0]heiban (flat)

Common
Which spelling to use
嘆息嘆息 is the more common written form, used for a sigh expressing grief, disappointment, or lamenting.
歎息歎息 is a less common written form of the same word; you will encounter it less often than 嘆息.
Definitions
  1. noun, suru verb, intransitive verbsigh (of grief, disappointment, etc.); grieving; lamenting; deploring
    深々ふかぶかと嘆息たんそくして、廊下ろうかへ向むかう。↗
    He sighed deeply and headed to the corridor.
Conjugation
Dictionary form嘆息する(たんそくする)
Polite (masu)嘆息します(たんそくします)
Negative (nai)嘆息しない(たんそくしない)
polite (masen)嘆息しません(たんそくしません)
classical zu / nu嘆息せず・嘆息せぬ(たんそくせず・たんそくせぬ)
Past (ta)嘆息した(たんそくした)
polite (mashita)嘆息しました(たんそくしました)
Past negative (nakatta)嘆息しなかった(たんそくしなかった)
polite (masen deshita)嘆息しませんでした(たんそくしませんでした)
Te form嘆息して(たんそくして)
Potential嘆息できる(たんそくできる)
Passive嘆息される(たんそくされる)
Causative嘆息させる(たんそくさせる)
Causative passive嘆息させられる(たんそくさせられる)
Conditional (ba)嘆息すれば(たんそくすれば)
tara嘆息したら(たんそくしたら)
Volitional嘆息しよう(たんそくしよう)
polite (mashou)嘆息しましょう(たんそくしましょう)
Imperative嘆息しろ(たんそくしろ)

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

Synonyms & antonyms
  • Synonymため息ためいきNeutralThe everyday word for a sigh and the most common of these; a long breath let out in disappointment or worry.
  • Related嘆くなげくWrittenThe verb: to lament or grieve aloud. Used in both speech and writing, it stresses voicing sorrow or discontent and is more common than 「嘆息」.
  • Related大息おおいきWrittenA deep, long sigh; a rare, literary word. Stresses letting out one long, drawn-out breath.
  • Related吐息といきNeutralA sigh, also a breath of relief. Focuses on the exhaled breath itself and carries a lyrical tinge.
  • Antonym歓声かんせいNeutralAntonym: a cheer or shout of joy, standing opposite the grieving 「嘆息」.

Written, grief-laden sighing calls for 「嘆息」; in daily conversation use 「ため息」, and for the verb use 「嘆く」. 「吐息」 and 「大息」 are rarer alternatives, and 「歓声」 — a cheer of joy — is the opposite.

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

Japanese definitions
  1. 嘆なげいて溜め息ためいきをつくこと。
Kanji in this word
English equivalents

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