One time and Unimportant
Opposite meaning terms
One time
One time adverb - On one occasion.
Unimportant
Unimportant adjective - Lacking importance.
One time is an antonym for unimportant.
Nearby Words: unimportance, unimportantly
Cite this Source
Unimportant and One time. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/one_time/unimportant
One time & Unimportant. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/one_time/unimportant>.
Unimportant or One time. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/one_time/unimportant.
Google Ngram Viewer shows how "one time" and "unimportant" have occurred on timeline