Familiar and Onetime

Opposite meaning words

Familiar adjective - Closely acquainted.

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Onetime is an antonym for familiar.

Onetime adjective - Happening only once.

Usage example: with any luck, that was a onetime mistake

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Familiar is an antonym for onetime.

Cite this Source

Onetime and Familiar. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/familiar/onetime

Familiar & Onetime. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/familiar/onetime>.

Onetime or Familiar. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/familiar/onetime.

Google Ngram Viewer shows how "familiar" and "onetime" have occurred on timeline