Protuberance and Trough
Opposite meaning words
Protuberance
Protuberance noun - A part that sticks out from the general mass of something.
Usage example: the tree trunk had several mossy protuberances where branches had once grown
Trough is an antonym for protuberance.
Nearby Word: protuberant
Trough
Trough noun - A long hollow cylinder for carrying a substance (as a liquid or gas).
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Synonyms for Trough
Protuberance is an antonym for trough.
Cite this Source
Trough and Protuberance. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/protuberance/trough
Protuberance & Trough. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/protuberance/trough>.
Trough or Protuberance. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/protuberance/trough.
Google Ngram Viewer shows how "protuberance" and "trough" have occurred on timeline