Insane
Insane adjective - Having or showing a very abnormal or sick state of mind.
Usage example: only an insane person would intentionally jump off a skyscraper
Senseless is a synonym for insane in imprudent topic. In some cases you can use "Senseless" instead an adjective "Insane", when it comes to topics like stupid, foolish, extremely foolish.
Mutual synonyms
Related pairs
Both words in one sentence
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This power could revolutionize space exploration but most people are scared senseless if not driven insane by passing through this dimension.
Source: Reed Richards Is Useless -
Doctor Doom may be a ruthless would-be conqueror with a senseless vendetta against the Fantastic Four, but he also is a ferocious force to be reckoned with when the people of Latveria are oppressed by others, as the insane Prince Zorba found out.
Source: Villainous Valour -
Gotham on the other hand, has filthy, slum-level street crime, mafia bosses, drug trafficking, warring organized crime rings comprised of supervillains, senseless mass murder, police corruption, and loads and loads of clinically-insane psychopaths and freaks trying to make a name for themselves.
Cite this Source
Senseless and Insane. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/insane/senseless
Insane & Senseless. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/insane/senseless>.
Senseless or Insane. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/insane/senseless.
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