Probable and Unsure

Opposite meaning words

Probable adjective - Worthy of being accepted as true or reasonable.

Usage example: the counselor could find no probable reason for the girl's bizarre actions

Show all Definitions

Unsure is an antonym for probable.

Unsure adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.

Show all Definitions

Probable is an antonym for unsure.

Cite this Source

Unsure and Probable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/probable/unsure

Probable & Unsure. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/probable/unsure>.

Unsure or Probable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/probable/unsure.

Google Ngram Viewer shows how "probable" and "unsure" have occurred on timeline