flavourless vs insipid

flavourless and insipid both are adjectives.

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

As adjectives, flavourless and insipid are synonyms defined as:

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

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