How to say "dismantle" in Japanese

• 取り外すとりはずすCommon
  godan verb, transitive verbCovers the physical sense of 'dismantle': taking a thing apart or detaching its parts. Think of demounting equipment or removing a component; this common verb is the word to reach for when the dismantling is literal.
  カーテンを取とりはずして洗濯せんたくに出だしなさい。↗

  Take down those curtains and send them to be cleaned.
• 打ち壊すうちこわす
  godan verb, transitive verbThough it can translate 'dismantle', this less common verb means to wreck or ruin — a plan, an old custom or ideology, a system — and is seldom the word for physically taking something apart.

Use 「取り外す」 for the literal sense of physically taking something apart or detaching its parts; 「打ち壊す」, though it can translate 'dismantle', really means to wreck or do away with plans, customs, ideologies, or systems.

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

• 取り外すとりはずすto dismantle
• 打ち壊すうちこわすto ruin (e.g. a plan)