Loony
Loony adjective - Having or showing a very abnormal or sick state of mind.
Usage example: unfortunately, that homeless man talking to himself on the street is indeed loony
Off and loony are semantically related in sane topic. In some cases you can use "Off" instead an adjective "Loony".
Nearby Word: loon
Cite this Source
Off and Loony. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/loony/off
Loony & Off. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/loony/off>.
Off or Loony. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/loony/off.
Google Ngram Viewer shows how "loony" and "off" have occurred on timeline