Guesstimate and Know
Opposite meaning words
Guesstimate
Guesstimate verb - To make an approximate or tentative judgment regarding.
Know is an antonym for guesstimate in topics: estimate, assume, speculate, guess, come to a conclusion.
Know
Cite this Source
Know and Guesstimate. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/guesstimate/know
Guesstimate & Know. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/guesstimate/know>.
Know or Guesstimate. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/guesstimate/know.
Google Ngram Viewer shows how "guesstimate" and "know" have occurred on timeline