Insane
Insane adjective - Having or showing a very abnormal or sick state of mind.
Usage example: only an insane person would intentionally jump off a skyscraper
Nuts is a synonym for insane in sane topic. In some cases you can use "Nuts" instead the word "Insane" as an adjective or a noun, when it comes to topics like foolish, mad, raving mad. informal substitute
Nuts
Nuts adjective - Having or showing a very abnormal or sick state of mind.
Usage example: the bizarre rantings in the notes left behind by the serial killer convinced the police that the guy was nuts
Mutual synonyms
Both words in one sentence
- Ray won it by not competing, instead he went nuts and redecorated a room in his own insane way as a Take That to the whole contest.
Source: Western Animation / Life's A Zoo - This also makes it very difficult for Humans to be mind-controlled, for as soon as the Puppeteer Parasites get inside, they realize how nuts we are and flee, or are driven insane by the hosts.
Source: Humanity Is Insane - It means, go crazy... nuts... insane... bonzo... no longer in possessions of one's faculties... three fries short of a Happy Meal... WACKO!
Source: Hurricane of Euphemisms
Cite this Source
Nuts and Insane. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/insane/nuts
Insane & Nuts. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/insane/nuts>.
Nuts or Insane. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/insane/nuts.
Google Ngram Viewer shows how "insane" and "nuts" have occurred on timeline