Clean and Uncertain

Clean

Clean adjective - Having no exceptions or restrictions.
Usage example: the clean joy of running that young children experience

Uncertain is an antonym for clean in not dirty topic.

Nearby Words: clear, cleaned, cleanup, clearing, cleanly

Uncertain

Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.

Clean is an antonym for uncertain.

Nearby Words: uncertainty, uncertainly

Both words in one sentence

  • Mechanical Lifeforms Warhammer 40,000: In the Ravenor series of books, a hive world (urban planet) is infested with robotic ravens of uncertain origin, known as The Unkindness, whose role appears to be simply to clean up rubbish from the ecosystem.
Cite this Source
Uncertain and Clean. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/clean/uncertain
Clean & Uncertain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/clean/uncertain>.
Uncertain or Clean. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/clean/uncertain.
Google Ngram Viewer shows how "clean" and "uncertain" have occurred on timeline