say it: TREN-dee
trendy is an adjective meaning "in accord with the latest fad". It is pronounced /ˈtɹɛndi/ — TREN-dee. It carries one recorded sense.
in accord with the latest fad
“trendy ideas”
“trendy clothes”
“voguish terminology”
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 trendy 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.