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
Maniacal is a synonym for mad in mental condition topic. In some cases you can use "Maniacal" instead an adjective "Mad", when it comes to topics like sane, insane.
Maniacal
Maniacal adjective - Having or showing a very abnormal or sick state of mind.
Usage example: the movie's villain was a just a clichéd axe-wielding nutcase with a maniacal laugh
Mad is a synonym for maniacal in insane topic. You can use "Mad" instead an adjective "Maniacal", if it concerns topics such as mental condition, sane, crazed.
Mutual synonyms
Cite this Source
Maniacal and Mad. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/mad/maniacal
Mad & Maniacal. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/mad/maniacal>.
Maniacal or Mad. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/mad/maniacal.
Google Ngram Viewer shows how "mad" and "maniacal" have occurred on timeline