Unreasonable and Valid


Unreasonable adjective - Having no basis in reason or fact.
Usage example: an unreasonable assumption

Valid is an antonym for unreasonable.


Valid adjective - According to the rules of logic.
Usage example: your argument isn't valid because you're taking what should be the conclusion and using it as a premise

Unreasonable is an antonym for valid.

Nearby Words: validity, validation

Both words in one sentence

  • Seeing a wet sidewalk and concluding that there was rain is fallacious—not deductively valid—but it is not necessarily false, nor is it necessarily an unreasonable inference to make.
  • Laws aren't unreasonable, the military is a completely necessary defense against internal and external threats, the intelligence community has plenty good reason to get involved where it does, and the transhuman immortality project is kept secret for perfectly valid reasons.
Cite this Source
Valid and Unreasonable. (2016). Retrieved 2022, June 26, from https://thesaurus.plus/related/unreasonable/valid
Unreasonable & Valid. N.p., 2016. Web. 26 Jun. 2022. <https://thesaurus.plus/related/unreasonable/valid>.
Valid or Unreasonable. 2016. Accessed June 26, 2022. https://thesaurus.plus/related/unreasonable/valid.
Google Ngram Viewer shows how "unreasonable" and "valid" have occurred on timeline