Crazy
Crazy adjective - Showing or marked by a lack of good sense or judgment.
Usage example: a crazy plan to climb Mount Everest without proper equipment
Idiotic is a synonym for crazy in ability topic. In some cases you can use "Idiotic" instead an adjective "Crazy", when it comes to topics like ridiculous, insane, unrealistic, mentally strange.
Mutual synonyms
Both words in one sentence
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Only Sane Man: Lane and, to a lesser extent, Tom mostly act as the straight man (or woman) to the more crazy or idiotic people around them.
Source: Film / Snow Day - The Guards Must Be Crazy: The GEF grunts are usually idiotic and are killed in droves.
Source: Webcomic / Zap! - Exterminatus Now has this in the form of Rogue, who, being the only member of his four man team who isn't idiotic, ax-crazy, or downright repulsive, tends to act in a "better than you" attitude, despite not being that much better than his compatriots.
Source: Small Name Big Ego / Web Comics
Cite this Source
Idiotic and Crazy. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/crazy/idiotic
Crazy & Idiotic. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/crazy/idiotic>.
Idiotic or Crazy. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/crazy/idiotic.
Google Ngram Viewer shows how "crazy" and "idiotic" have occurred on timeline