Insignificant and Mountainous

Opposite meaning words

Insignificant adjective - Lacking importance.

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Mountainous is an antonym for insignificant.

Mountainous adjective - Unusually large.

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Insignificant is an antonym for mountainous in huge topic.

Nearby Words: mountain, mountaineer

Cite this Source

Mountainous and Insignificant. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/insignificant/mountainous

Insignificant & Mountainous. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/insignificant/mountainous>.

Mountainous or Insignificant. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/insignificant/mountainous.

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