反そり上あがる

godan verb (-ru), intransitive verb

bend upward; warp upward; curl up

Describes something that curves or bends upward, often at the tip or edge. Used for physical objects like boards, edges, or body parts.

• この板いたは湿しっ気けで反そり上あがっている。

  This board has warped upward from moisture.

• 彼かれのまつげは自し然ぜんに反そり上あがっている。

  His eyelashes naturally curl upward.