How to say "arched" in Japanese

• 弓状きゅうじょう
  no-adjectiveCovers 'arched' as 'bow-shaped', describing something curved like a bow. A less common choice; use it when you are comparing the shape to a bow rather than to an arch.
  虹にじは空そらに弓ゆみじょうにかかる。↗

  The rainbow forms an arc in the sky.
• アーチ型アーチがた
  no-adjectiveCovers 'arched' as 'arch-shaped', describing something whose form is that of an arch. Also less common; choose it when you are comparing the shape to an arch rather than to a bow.
  小ちいさな橋はしが流ながれの上うえにアーチ型がたにかかっていた。↗

  A small bridge arched over the stream.

Both are less common, shape-based renderings of 'arched': choose 弓状 when the thing is curved like a bow, and 「アーチ型」 when it is shaped like an arch.

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

• 弓状きゅうじょうbow-shaped
• アーチ型アーチがたarch-shaped