Indefinite and Unknown

Indefinite

Indefinite adjective - Being or seeming to be without limits.

Unknown is a synonym for indefinite in unclear topic. In some cases you can use "Unknown" instead an adjective "Indefinite", when it comes to topics like ambiguous.

Nearby Words: indefinable, indefinitely

Unknown

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

Indefinite is a synonym for unknown in pending topic. Sometimes you can use "Indefinite" instead an adjective "Unknown".

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