say it: kahz-MET-ik
cosmetic is an adjective and noun meaning "serving an esthetic rather than a useful purpose". It carries 3 recorded senses.
serving an esthetic rather than a useful purpose
“cosmetic fenders on cars”
“the buildings were utilitarian rather than decorative”
serving an aesthetic purpose in beautifying the body
“cosmetic surgery”
“enhansive makeup”
a toiletry designed to beautify the body
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 cosmetic 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.