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
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It's later revealed that even with the Philosopher's Stone, Human Transmutation is flat-out impossible.
Source: Monster from Beyond the Veil - One of the books flat-out states that Stone is, for a lack of a better word, invulnerable.
Source: Tabletop Game / Deadlands - Trey Parker and Matt Stone flat-out stated that they don't know who Mysterion is, and that there is no specific character who they intended Mysterion to be.
Source: Shrug of God
Cite this Source
Stone and Flat-out. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/flat-out/stone
Flat-out & Stone. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/flat-out/stone>.
Stone or Flat-out. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/flat-out/stone.