Unascertained and Usual
Opposite meaning words
Unascertained
Usual
Usual adjective - Accepted, used, or practiced by most people.
Unascertained is an antonym for usual.
Cite this Source
Usual and Unascertained. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/unascertained/usual
Unascertained & Usual. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/unascertained/usual>.
Usual or Unascertained. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/unascertained/usual.
Google Ngram Viewer shows how "unascertained" and "usual" have occurred on timeline