insignificant vs nonmeaningful

insignificant and nonmeaningful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
insignificant	No	Yes	No	No
nonmeaningful	No	Yes	No	No

insignificant (adjective)	nonmeaningful (adjective)
devoid of importance, meaning, or force	having no meaning or direction or purpose
signifying nothing
of little importance or influence or power; of minor status
small and unimpressive