say it: RING-kuhl
wrinkle is a verb and noun meaning "gather or contract into wrinkles or folds; pucker". It carries 7 recorded senses.
archaism
a slight depression or fold in the smoothness of a surface
“his face has many lines”
“ironing gets rid of most wrinkles”
a clever method of doing something (especially something new and different)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for wrinkle come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.