Not likely and Regular
Opposite meaning terms
Not likely
Regular
Regular adjective - Appearing or occurring repeatedly from time to time.
Not likely is an antonym for regular.
Cite this Source
Regular and Not likely. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/not_likely/regular
Not likely & Regular. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/not_likely/regular>.
Regular or Not likely. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/not_likely/regular.
Google Ngram Viewer shows how "not likely" and "regular" have occurred on timeline