Mad
Mad adjective - Showing or marked by a lack of good sense or judgment.
Usage example: her mad decision to quit a good job and run off to the big city with a man she barely knew
Silly is a synonym for mad in ability topic. In some cases you can use "Silly" instead an adjective "Mad", when it comes to topics like foolish.
Silly
Silly adjective - Showing or marked by a lack of good sense or judgment.
Usage example: those silly movie producers who thought that audiences would fall for that gimmick all over again
Mad is a synonym for silly in ability topic. Sometimes you can use "Mad" instead an adjective "Silly".
Nearby Word: silliness
Mutual synonyms
Both words in one sentence
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Leopold, a mad scientist who wants to get revenge on all those who thought he was silly for wanting to make a half-man, half fish.
Source: Film / The Blood Waters of Dr. Z -
A lot of the letters include a description of why he's mad, followed by "That's terrible." Things tend to get silly after that.
Source: And That's Terrible - The mad parade in Paprika, a collection of cartoon animals, inanimate objects, and cultural icons that looks incredibly silly and cute.
Source: Killer Rabbit / Anime and Manga
Cite this Source
Silly and Mad. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/mad/silly
Mad & Silly. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/mad/silly>.
Silly or Mad. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/mad/silly.
Google Ngram Viewer shows how "mad" and "silly" have occurred on timeline