Hefty and Undersized
Opposite meaning words
Hefty
Hefty adjective - Having great weight.
Usage example: that's a pretty hefty book bag for a tiny person like you
Undersized is an antonym for hefty.
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
Hefty is an antonym for undersized.
Cite this Source
Undersized and Hefty. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/hefty/undersized
Hefty & Undersized. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/hefty/undersized>.
Undersized or Hefty. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/hefty/undersized.
Google Ngram Viewer shows how "hefty" and "undersized" have occurred on timeline