Insignificant and Momentous

Opposite meaning words

Insignificant adjective - Lacking importance.

Usage example: an insignificant detail that we can safely ignore

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Momentous is an antonym for insignificant in unimportant topic.

Momentous adjective - Having great meaning or lasting effect.

Usage example: a momentous occasion that will go down in the history books

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Insignificant is an antonym for momentous in topics: significant, important.

Nearby Words: moment, momentum, momentously

Cite this Source

Momentous and Insignificant. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/insignificant/momentous

Insignificant & Momentous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/insignificant/momentous>.

Momentous or Insignificant. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/insignificant/momentous.

Google Ngram Viewer shows how "insignificant" and "momentous" have occurred on timeline