Crazy
Crazy noun - A person judged to be legally or medically insane.
Usage example: one unsympathetic homeowner insisted that all homeless people are crazies
Loon is a synonym for crazy in wise topic. In some cases you can use "Loon" instead a noun "Crazy", when it comes to topics like lunatic, loony, looney.
Mutual synonyms
Both words in one sentence
-
Laughably Evil: Freely admits he's "crazy as a loon" and is having the time of his life with it.
- Stark from Farscape was a Talkative Loon, who later claimed that he was only pretending to be crazy, though he was still pretty unhinged for the rest of the series.
Source: Talkative Loon - Nikola Tesla, an actual Mad Scientist, was this type (well, maybe not so much "reluctant" as "well-intentioned overall and a genius, but still crazy as a loon").
Source: Reluctant Mad Scientist
Cite this Source
Loon and Crazy. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/crazy/loon
Crazy & Loon. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/crazy/loon>.
Loon or Crazy. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/crazy/loon.
Google Ngram Viewer shows how "crazy" and "loon" have occurred on timeline