Loony and Valid

Loony

Loony adjective - Showing or marked by a lack of good sense or judgment.
Usage example: that's got to be the looniest idea I've ever heard

Valid is an antonym for loony.

Nearby Word: loon

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

Loony is an antonym for valid.

Nearby Words: validity, validation

Both words in one sentence

  • Fanfic / Girl Days Ranma stated there was NO way that loony's challenge could be considered a valid one.
Cite this Source
Valid and Loony. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/loony/valid
Loony & Valid. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/loony/valid>.
Valid or Loony. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/loony/valid.
Google Ngram Viewer shows how "loony" and "valid" have occurred on timeline