How to say "absurdity" in Japanese

• 非常識ひじょうしきCommon
  noun, na-adjectiveAbsurdity as thoughtlessness: behavior or remarks that defy common sense. Use it when an action or attitude strikes people as senseless or irrational, not for the absurdity of logic or fate.
  あんなことを彼女かのじょに言ゆうなんて非常識ひじょうしきも甚はなはだしい。↗

  It's quite absurd of you to tell her that sort of thing.
• 不条理ふじょうりCommon
  nounAbsurdity as something contrary to reason: the absurdity of a situation, of fate, or of the world itself. This is the 'absurd' of philosophy and literature, where life or events defy logic.
• 筋違いすじちがいCommon
  nounAbsurdity as unreasonableness: an argument, objection, or demand that is off the point and misses the mark. Often used to tell someone that their complaint or request is beside the point rather than truly absurd.

Use 非常識 for absurdity as a lack of common sense in behavior, 不条理 for absurdity as something contrary to reason or logic, and 「筋違い」 for absurdity as an unreasonable, off-the-point argument or demand.

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

• 非常識ひじょうしきlack of common sense
• とんちんかんabsurdity
• 背理はいりabsurdity
• 烏滸の沙汰おこのさたstupidity
• 不道理ふどうりunreasonableness
• 不条理ふじょうりabsurdity
• 筋違いすじちがいunreasonableness