Loon and Wacko

Loon

Loon noun - A person judged to be legally or medically insane.
Usage example: giggled like a loon at his own jokes

Wacko and loon are semantically related. In some cases you can use "Wacko" instead the word "Loon" as a noun or an adjective.

Nearby Word: loony

Wacko

Wacko noun - A person judged to be legally or medically insane.
Usage example: some wacko has been sending the actress increasingly disturbing letters

Loon and wacko are semantically related. (American) You can use "Loon" instead a noun "Wacko". colloquial substitute
Cite this Source
Wacko and Loon. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/loon/wacko
Loon & Wacko. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/loon/wacko>.
Wacko or Loon. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/loon/wacko.
Google Ngram Viewer shows how "loon" and "wacko" have occurred on timeline