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
Strange and insane are semantically related in anomalous topic. In some cases you can use "Strange" instead an adjective "Insane", when it comes to topics like mad.
Both words in one sentence
- At first, he behaves as if he himself is insane, making strange noises and gestures.
- Gormenghast by Mervyn Peake: Gormenghast has so many strange laws and rituals that by the time someone has become its Earl they are probably quite insane themselves.
Source: Loony Laws - In the series itself, he performs several strange actions for seemingly no reason at all, including ripping the teeth out of a deer, to which a character cried that he was insane.
Cite this Source
Strange and Insane. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/insane/strange
Insane & Strange. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/insane/strange>.
Strange or Insane. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/insane/strange.
Google Ngram Viewer shows how "insane" and "strange" have occurred on timeline