Flat-out and Uncertain

Opposite meaning words

Flat-out adjective - Having no exceptions or restrictions.

Usage example: regarded their son-in-law as a flat-out loser and let him know it

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Uncertain is an antonym for flat-out.

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

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Flat-out is an antonym for uncertain.

Nearby Words: uncertainty, uncertainly

Cite this Source

Uncertain and Flat-out. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/flat-out/uncertain

Flat-out & Uncertain. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/flat-out/uncertain>.

Uncertain or Flat-out. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/flat-out/uncertain.