How to say "strained" in Japanese

• 重苦しいおもくるしいCommon
  i-adjectiveCovers 'strained' when it describes an atmosphere or mood: heavy, gloomy, oppressive, even stifling. The strained atmosphere in a room after an argument, where nobody speaks freely, is exactly what this word conveys.
  言葉ことばは消え去きえさっても、打撃だげきはおもくるしく残のこる。↗

  Words may pass but blows fall heavy.
• 不自然ふしぜんCommon
  na-adjective, nounCovers 'strained' in its sense of forced or artificial rather than tense: a strained smile, laugh, or manner that looks unnatural and affected. A polite smile hiding embarrassment is a typical case.
  我々われわれ二人ふたりがここにいるのは不自然ふしぜんだ。↗

  The two of us don't belong here.

Use 「重苦しい」 for a strained atmosphere or mood that feels heavy and oppressive, and 不自然 for a strained smile, laugh, or manner that seems forced and unnatural rather than genuine.

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

• 重苦しいおもくるしいheavy (feeling, etc.)
• 不自然ふしぜんunnatural
• 牽強付会けんきょうふかいstrained (argument, interpretation, etc.)
• ぎくしゃくstrained (relations)
• きな臭いきなくさいsmelling of gunpowder (i.e. as if armed conflict is about to break out)
• 苦しいくるしいstrained (interpretation, explanation, etc.)