Mad
Mad adjective - Having or showing a very abnormal or sick state of mind.
Usage example: the man who thinks he's been turned into a bug is clearly mad
Mental is a synonym for mad in crazy topic. In some cases you can use "Mental" instead the word "Mad" as an adjective or a noun, when it comes to topics like insane. informal substitute
Mental
Mental adjective - Having or showing a very abnormal or sick state of mind.
Usage example: humane treatment of mental patients
Mutual synonyms
Cite this Source
Mental and Mad. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/mad/mental
Mad & Mental. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/mad/mental>.
Mental or Mad. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/mad/mental.
Google Ngram Viewer shows how "mad" and "mental" have occurred on timeline