fragile vs flimsy

fragile is not a noun while flimsy is a noun.

Word	Noun	Adjective	Verb	Adverb
fragile	No	Yes	No	No
flimsy	Yes	Yes	No	No

As adjectives, fragile and flimsy are synonyms defined as:

Other synonyms of fragile include slight, tenuous, thin.

fragile (noun)	flimsy (noun)
	a thin strong lightweight translucent paper used especially for making carbon copies

fragile (adjective)	flimsy (adjective)
easily broken or damaged or destroyed	not convincing
vulnerably delicate	lacking solidity or strength
lacking substance or significance	lacking substance or significance