crinkle (v.)

late 14c. (implied in crinkled), "become wrinkled or convoluted" (intransitive), from frequentative of Old English crincan, variant of cringan "to bend, yield" (see cringe). Transitive sense of "to form into wrinkles or convolutions" is by 1825. Related: Crinkling. As a noun from 1590s.

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Definitions of crinkle from WordNet
crinkle (v.)
make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic;
Synonyms: wrinkle / ruckle / crease / scrunch / scrunch up / crisp
crinkle (v.)
become wrinkled or crumpled or creased;
Synonyms: rumple / crumple / wrinkle / crease
crinkle (n.)
a slight depression or fold in the smoothness of a surface;
Synonyms: wrinkle / furrow / crease / seam / line