hipster vs flower child

hipster and flower child both are nouns.

Word	Noun	Adjective	Verb	Adverb
hipster	Yes	No	No	No
flower child	Yes	No	No	No

As nouns, hipster and flower child are synonyms defined as:

hipster and flower child: someone who rejects the established culture; advocates extreme liberalism in politics and lifestyle

Other synonyms of hipster include hippie, hippy.

hipster (noun)	flower child (noun)
someone who rejects the established culture; advocates extreme liberalism in politics and lifestyle	someone who rejects the established culture; advocates extreme liberalism in politics and lifestyle