Main Entry: ¹wrin·kle

Pronunciation: \ˈriŋ-kəl\

Function: noun

Etymology: Middle English, back-formation from wrinkled twisted, winding, probably from Old English gewrinclod, past participle of gewrinclian to wind, from ge-, perfective prefix + -wrinclian (akin to wrencan to wrench) — more at co-

Date: 14th century

1 : a small ridge or furrow especially when formed on a surface by the shrinking or contraction of a smooth substance : crease; specifically : one in the skin especially when due to age, worry, or fatigue
2 a : method, technique b : a change in a customary procedure or method c : something new or different : innovation
3 : imperfection, irregularity

— wrin·kly \-k(ə-)lē\ adjective