Certifiable
Certifiable adjective - Having or showing a very abnormal or sick state of mind.
Usage example: raised by a feckless father and a mother who was clearly certifiable
Sane
Sane adjective - Having full use of one's mind and control over one's actions.
Usage example: the court ruled that the woman was indeed sane when she made out her will
Certifiable is an antonym for sane.
Nearby Word: sanity
Both words in one sentence
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While he can be a certifiable loony, and God help you if he's legitimately going after you, at worst (while sane) he's a Stern Teacher.
Source: Manga / Soul Eater
Cite this Source
Sane and Certifiable. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/certifiable/sane
Certifiable & Sane. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/certifiable/sane>.
Sane or Certifiable. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/certifiable/sane.
Google Ngram Viewer shows how "certifiable" and "sane" have occurred on timeline