Flat
Flat adjective - Being neither more nor less than a certain amount, number, or extent.
Implausible and flat are semantically related. In some cases you can use "Implausible" instead an adjective "Flat".
Implausible
Implausible adjective - Too extraordinary or improbable to believe.
Flat and implausible are semantically related. Sometimes you can use "Flat" instead an adjective "Implausible".
Nearby Word: implausibly
Mutual synonyms
Both words in one sentence
- These range from the expected (demolitions, medicine, gunsmithing) to the implausible (linguistics, piloting) to the flat out incredible (shipbuilding, car theft, theology).
Source: Literature / Prince Roger -
Played for Laughs with Sir Phillip Bin, who despite a lifetime's worth of bizarre (or flat-out impossible) experiences, is incredibly sexist, and thinks universal education is a strange and implausible suggestion.
Source: Deliberate Values Dissonance
Cite this Source
Implausible and Flat. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/flat/implausible
Flat & Implausible. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/flat/implausible>.
Implausible or Flat. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/flat/implausible.
Google Ngram Viewer shows how "flat" and "implausible" have occurred on timeline