Foolish
Foolish adjective - Showing or marked by a lack of good sense or judgment.
Usage example: a foolish scheme that was supposed to make us all rich
Mad is a synonym for foolish in ability topic. In some cases you can use "Mad" instead an adjective "Foolish", when it comes to topics like silly, dumb, nonsensical. informal substitute
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
Foolish is a synonym for mad in behaviour topic. You can use "Foolish" instead an adjective "Mad", if it concerns topics such as ability, crazy. popular alternative
Mutual synonyms
Both words in one sentence
- The resulting mad scramble to make good on the foolish promise drives at least a subplot (if not the main plot) for an entire episode.
Source: Celebrity Lie -
The protagonist of the 16th century Latin comedy "Morosophus", which was an extended Take That against the playwright's contemporary Nicholas Copernicus, is a reclusive, foolish astrologer who predicts that a rain will fall that will make everyone mad.
Source: Astrologer - Mötley Crüe's "Girl, Don't Go Away Mad (Just Go Away)" starts as an kind of mellow song about reflecting on foolish mistakes in a past romance.
Source: Mood Whiplash / Music
Cite this Source
Mad and Foolish. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/foolish/mad
Foolish & Mad. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/foolish/mad>.
Mad or Foolish. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/foolish/mad.
Google Ngram Viewer shows how "foolish" and "mad" have occurred on timeline