A slight depression or fold in the smoothness of a surface.

synonyms: crease, furrow, line, seam, wrinkle.

Roget 258: fold, plicature^†, plait, pleat, ply, crease; tuck, gather; flexion, flexure, joint, elbow, double, doubling, duplicature^†, gather, wrinkle, rimple^†, crinkle, crankle^†, crumple, rumple, rivel^†, ruck^†, ruffle, dog's ear, corrugation, frounce^†, flounce, lapel; pucker, crow's feet; plication^†.    ... show more

Dutch: rimpel, plooi, kreukel, vouw
Polish: zmarszczka

Make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic.

synonyms: crease, crisp, ruckle, scrunch, scrunch up, wrinkle.

Roget 244: bend, fork, bifurcate, crinkle.   

Dutch: fronsen, kreukelen, kreuken, plooien, rimpelen, verkreukelen, verkreuken

Become wrinkled or crumpled or creased.

synonyms: crease, crumple, rumple, wrinkle.

Roget 258: fold, double, plicate^†, plait, crease, wrinkle, crinkle, crankle^†, curl, cockle up, cocker, rimple^†, rumple, flute, frizzle, frounce^†, rivel^†, twill, corrugate, ruffle, crimple^†, crumple, pucker; turn down, double down, down under; tuck, ruck^†, hem, gather.    ... show more

Dutch: ineenfrommelen, verfrommelen