Lunatic
Lunatic adjective - Having or showing a very abnormal or sick state of mind.
Usage example: he had a lunatic obsession with personal hygiene that was genuinely disturbing
Monomaniac and lunatic are semantically related. In some cases you can use "Monomaniac" instead the word "Lunatic" as a noun or an adjective.
Monomaniac
Monomaniac noun - A person suffering from monomania.
Lunatic and monomaniac are semantically related. Sometimes you can use "Lunatic" instead the word "Monomaniac" as a noun or an adjective.
Nearby Word: monomania
Mutual synonyms
Cite this Source
Monomaniac and Lunatic. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/lunatic/monomaniac
Lunatic & Monomaniac. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/lunatic/monomaniac>.
Monomaniac or Lunatic. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/lunatic/monomaniac.
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