Flat-out and Thoroughgoing

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
Show all Definitions
Synonyms for Flat-out

Thoroughgoing and flat-out are semantically related In some cases you can use "Thoroughgoing" instead an adjective phrase "Flat-out".

Thoroughgoing

Thoroughgoing adjective - Having no exceptions or restrictions.
Usage example: civil rights advocates are hoping for a thoroughgoing rejection of the proposed bill

Flat-out and thoroughgoing are semantically related in big topic. Sometimes you can use "Flat-out" instead an adjective "Thoroughgoing".
Cite this Source
Thoroughgoing and Flat-out. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/flat-out/thoroughgoing
Flat-out & Thoroughgoing. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/flat-out/thoroughgoing>.
Thoroughgoing or Flat-out. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/flat-out/thoroughgoing.