Insignificant antonyms

What is the opposite word for Insignificant?

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Antonyms for insignificant
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Insignificant Thesaurus
Definitions of Insignificant
Insignificant Synonyms
Nearby Words
insignificance, insignificancy, insignificantly
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Opposite words of insignificant
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stickies, post-it, list blowing, soap bubbles, bubbles yada yada, board, insignificance depression, depressed, forlorn yada yada, board, insignificance nothing, board, blackboard
Cite this Source
Antonyms for Insignificant. (2016). Retrieved 2026, July 19, from https://thesaurus.plus/antonyms/insignificant
Antonyms for Insignificant. N.p., 2016. Web. 19 Jul. 2026. <https://thesaurus.plus/antonyms/insignificant>.
Antonyms for Insignificant. 2016. Accessed July 19, 2026. https://thesaurus.plus/antonyms/insignificant.