Unimportant antonyms

What is the opposite word for Unimportant?

Use filters to view other words, we have 87 antonyms for unimportant.
Antonyms for unimportant
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Unimportant Thesaurus
Definitions of Unimportant
Unimportant Synonyms
Nearby Words
unimportance, unimportantly
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Opposite words of unimportant
Image search results for Unimportant
stickies, post-it, list nothing, board, blackboard target, victim, deficiency
Cite this Source
Antonyms for Unimportant. (2016). Retrieved 2026, July 20, from https://thesaurus.plus/antonyms/unimportant
Antonyms for Unimportant. N.p., 2016. Web. 20 Jul. 2026. <https://thesaurus.plus/antonyms/unimportant>.
Antonyms for Unimportant. 2016. Accessed July 20, 2026. https://thesaurus.plus/antonyms/unimportant.