Answer: uncurl

AnswerCrossword Clue
UNCURLStraighten, as hair
UNCURLStraighten out
UNCURLRelax, as one's toes
UNCURLStraighten, as tresses
UNCURLStraighten hair
UNCURLOpen, as a fern frond
UNCURLClimb out of a comfy chair, perhaps
UNCURLStraighten.
UNCURLStraighten out.
UNCURLGo straight?
UNCURLStraighten, in a way
uncurlto straighten the curls of
uncurlto straighten or become straightened out from a curl or curled position