Mammoth and Undersized
Opposite meaning words
Mammoth
Mammoth adjective - Unusually large.
Usage example: a mammoth book with color plates of birds native to North America
Undersized is an antonym for mammoth.
Undersized
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
Mammoth is an antonym for undersized.
Cite this Source
Undersized and Mammoth. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/mammoth/undersized
Mammoth & Undersized. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/mammoth/undersized>.
Undersized or Mammoth. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/mammoth/undersized.
Google Ngram Viewer shows how "mammoth" and "undersized" have occurred on timeline