flavorless vs insipid

flavorless and insipid both are adjectives.

Word	Noun	Adjective	Verb	Adverb
flavorless	No	Yes	No	No
insipid	No	Yes	No	No

As adjectives, flavorless and insipid are synonyms defined as:

Other synonyms of flavorless include bland, flat, flavourless, savorless, savourless, vapid.

flavorless (adjective)	insipid (adjective)
lacking taste or flavor or tang	lacking taste or flavor or tang
	lacking interest or significance or impact