Antonyms and Synonyms for unimportant

Antonyms:

• significant
• unimportance
• important
• essential
• meaningful
• expensive
• inessentiality

Synonyms:

• niggling
• nickel-and-dime
• importance
• potty
• fiddling

Antonyms:

• insignificance
• significant
• meaningful
• unloving
• sober
• unexpendable
• necessary

Synonyms:

• tenuous
• flimsy
• trivial
• fragile
• nonmeaningful