Insane
Insane adjective - Showing or marked by a lack of good sense or judgment.
Usage example: an insane plan to blow all of their savings on lottery tickets
Valid
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
Nearby Words: validity, validation
Both words in one sentence
-
Yakomaru's treatment as an insane radical also obscures his perfectly valid point (backed by Kiroumaru) about the inhumane treatment of the Bakenezumi.
Source: Literature / From the New World - It's a valid point, even if it soon turns out that his time as a Hollow turned him insane and possessive of Orihime to the point where he killed her himself.
Source: Jerkass Has a Point -
Her insane intellectual level serves as a valid testament to this fact.
Source: Useful Notes / Tokyo University
Cite this Source
Valid and Insane. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/insane/valid
Insane & Valid. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/insane/valid>.
Valid or Insane. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/insane/valid.
Google Ngram Viewer shows how "insane" and "valid" have occurred on timeline