Certain and Not reliable

Opposite meaning terms

Certain adjective - Known but not named.

Show all Definitions

Not reliable is an antonym for certain.

Nearby Words: certainty, certainly

Definitions of Certain not found.

Certain is an antonym for not reliable in doubtful topic.

Cite this Source

Not reliable and Certain. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/certain/not_reliable

Certain & Not reliable. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/certain/not_reliable>.

Not reliable or Certain. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/certain/not_reliable.

Google Ngram Viewer shows how "certain" and "not reliable" have occurred on timeline