Dangerous
Dangerous adjective - Involving potential loss or injury.
Lunatic and dangerous are semantically related. In some cases you can use "Lunatic" instead an adjective "Dangerous".
Nearby Words: danger, dangerously
Both words in one sentence
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This Portal 2 fancomic has, like in the original, GLaDOS calling Chell a "dangerous, mute lunatic".
Source: I Take Offense to That Last One -
After being told for years that Doc Brown was a dangerous, crackpot, lunatic, he snuck into Doc's lab to see for himself and instead was fascinated by what he saw in there and thought Doc's inventions were cool.
Source: Intergenerational Friendship - WWE's Mankind is a sadistic lunatic in the ring; his early WWF career saw him cast as a dangerous lackey to both faces and heels.
Source: Affably Evil / Pro Wrestling
Cite this Source
Lunatic and Dangerous. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/dangerous/lunatic
Dangerous & Lunatic. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/dangerous/lunatic>.
Lunatic or Dangerous. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/dangerous/lunatic.
Google Ngram Viewer shows how "dangerous" and "lunatic" have occurred on timeline