flimsy vs fragile

flimsy is a noun but fragile is not a noun.

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

As adjectives, flimsy and fragile are synonyms defined as:

Other synonyms of flimsy include slight, tenuous, thin.

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

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