Unsure
Unsure adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.
Unascertained and unsure are semantically related. In some cases you can use "Unascertained" instead an adjective "Unsure".
Unascertained
Unsure and unascertained are semantically related. Sometimes you can use "Unsure" instead an adjective "Unascertained".
Mutual synonyms
Cite this Source
Unascertained and Unsure. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/unsure/unascertained
Unsure & Unascertained. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/unsure/unascertained>.
Unascertained or Unsure. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/unsure/unascertained.
Google Ngram Viewer shows how "unsure" and "unascertained" have occurred on timeline