Crazy
Crazy adjective - Having or showing a very abnormal or sick state of mind.
Usage example: a crazy woman who tried to throw her baby out of a window
Mad is a synonym for crazy in insane topic. In some cases you can use "Mad" instead an adjective "Crazy", when it comes to topics like behaviour, ability, concern, sane. popular alternative
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
Crazy is a synonym for mad in insane topic. You can use "Crazy" instead the word "Mad" as an adjective or a noun, if it concerns topics such as enthusiastic, ability, mental condition, concern. informal substitute
Mutual synonyms
Both words in one sentence
- With Friends Like These...: Misato sent Toji and Kensuke to Ritsuko because they were driving her crazy and mad.
Source: Fanfic / Scar Tissue -
Sometimes "mad," "crazy,", "out of your mind", or "sick in the head" may be substituted for "insane," but the nature of the trope is the same.
Source: You're Insane! - Tarantulus of Transformers: Beast Wars is, if not a mad inventor, certainly crazy enough and scientific enough and treacherous enough to qualify for Mad Scientist.
Cite this Source
Mad and Crazy. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/crazy/mad
Crazy & Mad. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/crazy/mad>.
Mad or Crazy. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/crazy/mad.
Google Ngram Viewer shows how "crazy" and "mad" have occurred on timeline