弛緩|しかんshikan[0]heiban (flat)

Common
ちかんchikan
Definitions
  1. noun, suru verb, intransitive verbrelaxation (e.g. of muscles); becoming flaccid
Conjugation
Dictionary form弛緩する(しかんする)
Polite (masu)弛緩します(しかんします)
Negative (nai)弛緩しない(しかんしない)
polite (masen)弛緩しません(しかんしません)
classical zu / nu弛緩せず・弛緩せぬ(しかんせず・しかんせぬ)
Past (ta)弛緩した(しかんした)
polite (mashita)弛緩しました(しかんしました)
Past negative (nakatta)弛緩しなかった(しかんしなかった)
polite (masen deshita)弛緩しませんでした(しかんしませんでした)
Te form弛緩して(しかんして)
Potential弛緩できる(しかんできる)
Passive弛緩される(しかんされる)
Causative弛緩させる(しかんさせる)
Causative passive弛緩させられる(しかんさせられる)
Conditional (ba)弛緩すれば(しかんすれば)
tara弛緩したら(しかんしたら)
Volitional弛緩しよう(しかんしよう)
polite (mashou)弛緩しましょう(しかんしましょう)
Imperative弛緩しろ(しかんしろ)

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

Synonyms & antonyms
  • Synonym緩むゆるむNeutralEveryday verb for things loosening or slackening — ropes, screws, nerves. The broadest of the synonyms; 「弛緩」 is the written or medical term.
  • SynonymたるむNeutralSame verb as above, also written 「弛む」: ropes, discipline or spirit going slack. Again the everyday choice; 「弛緩」 is written or medical.
  • SynonymだれるCasualColloquial for scattered attention and a dragging, listless mood or pace. Concerned with spirit and rhythm rather than physical slackness.
  • Synonym緩まるゆるまるWrittenDescribes something going from taut to slack. 「緩む」 is the more common choice; this word leans toward written prose.
  • Antonym緊張きんちょうNeutralMuscles or the mind pulled taut — the direct opposite of 「弛緩」 as slackness of muscle or mind.
  • Antonym緊迫きんぱくWrittenWritten term for a tense, critical situation; said mainly of circumstances. Opposite of a relaxed, slack atmosphere.

Everyday loosening calls for 「緩む」; 「弛緩」 is the written or medical term for slack muscles or lax discipline. 「だれる」 is colloquial for flagging spirits, 「緩まる」 a written variant, 「緊張」 the everyday opposite, 「緊迫」 the written opposite for tense situations.

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

Japanese definitions
  1. 緩ゆるむこと。
Kanji in this word
See also

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