Unsure and Unknown

Unsure

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

Unknown and unsure are semantically related in not fixed topic. In some cases you can use "Unknown" instead an adjective "Unsure".

Unknown

Unknown adjective - Happening or existing without one's knowledge.

Unsure and unknown are semantically related in undetermined topic. Sometimes you can use "Unsure" instead an adjective "Unknown".

Nearby Words: unknowable, unknowing
Cite this Source
Unknown and Unsure. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/unsure/unknown
Unsure & Unknown. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/unsure/unknown>.
Unknown or Unsure. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/unsure/unknown.
Google Ngram Viewer shows how "unsure" and "unknown" have occurred on timeline