Flat-out
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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Synonyms for Flat-out
Mutual synonyms
Both words in one sentence
- There are the perfect families that you only see on TV, the charmingly imperfect families, charmingly dysfunctional families, and flat-out dysfunctional families.
Source: Fan Fic Recs / Steven Universe - Her authority figures include several mostly nice but not perfect people, several good-but-hard people, and two people who are just flat-out mean, one of whom—Chi-Fu—is bad enough that he operates as a civil antagonist.
Source: Morality Kitchen Sink - As an exercise, you could compare AI lap times when you're running perfect flat-out laps and to situations where you just park your car over the start/finish line.
Source: Rubber Band AI
Cite this Source
Perfect and Flat-out. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/flat-out/perfect
Flat-out & Perfect. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/flat-out/perfect>.
Perfect or Flat-out. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/flat-out/perfect.