nickel-and-dime vs unimportant

nickel-and-dime and unimportant both are adjectives.

Word	Noun	Adjective	Verb	Adverb
nickel-and-dime	No	Yes	Yes	No
unimportant	No	Yes	No	No

nickel-and-dime (adjective)	unimportant (adjective)
low-paying	not important
of minor importance	devoid of importance, meaning, or force

nickel-and-dime (verb)	unimportant (verb)
accumulate gradually
spend money frugally; spend as little as possible