insipid vs vapid

insipid and vapid both are adjectives.

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

As adjectives, insipid and vapid are synonyms defined as:

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

insipid (adjective)	vapid (adjective)
lacking taste or flavor or tang	lacking taste or flavor or tang
lacking interest or significance or impact	lacking significance or liveliness or spirit or zest