The definition of trendy is something that is fashionable, up to date or in fashion.
The most popular current song on the Billboard Top 100 is an example of something that is trendy.
of or in the latest style, or trend; very fashionable; faddish
a trendy person
Of or in accord with the latest fad or fashion: trendy clothes. See Synonyms at fashionable.
One who avidly follows the latest fads or trends: “International trendies have spread the word about the area's new nightclubs” ( Lynn Langway )
(comparative trendier, superlative trendiest)
- (rare) a trendy person