Mountainous and Undersized

Opposite meaning words

Mountainous adjective - Unusually large.

Usage example: the seemingly mountainous obstacles he had to overcome while growing up

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Undersized is an antonym for mountainous.

Nearby Words: mountain, mountaineer

Undersized adjective - Of a size that is less than average.

Usage example: though a football all-star in high school, he was just a mediocre, undersized player at the college level

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Mountainous is an antonym for undersized.

Cite this Source

Undersized and Mountainous. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/mountainous/undersized

Mountainous & Undersized. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/mountainous/undersized>.

Undersized or Mountainous. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/mountainous/undersized.

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