Fool
Fool noun - A person judged to be legally or medically insane.
Usage example: he got out of serving in the army by successfully pretending to be a fool
Wacko
Wacko noun - A person judged to be legally or medically insane.
Usage example: some wacko has been sending the actress increasingly disturbing letters
Cite this Source
Wacko and Fool. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fool/wacko
Fool & Wacko. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fool/wacko>.
Wacko or Fool. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fool/wacko.
Google Ngram Viewer shows how "fool" and "wacko" have occurred on timeline