deranged

Adjective

deranged (comparative more deranged, superlative most deranged)

1. Disturbed or upset, especially mentally.
   • Though Bane's sing-song voice gives his pronouncements a funny lilt, he doesn't have any of the Joker's deranged wit, and Nolan isn't interested in undercutting his seriousness for the sake of a breezier entertainment.2012 July 18, Scott Tobias, “The Dark Knight Rises”, in AV Club
   • Stewing over recent legal defeats, he [Donald Trump] spent Sunday night posting a series of rambling rants assailing the “completely inept and embarrassing” Supreme Court, the “Deranged” former special counsel, […] and “a Wacky, Nasty, Crooked, and totally Out of Control Judge” who ruled against...2026 March 16, Peter Baker, “In Choosing ‘Epic Fury,’ Trump Names a War and Defines His Presidency”, in The New York Times, New York, N.Y.: The New York Times Company, →ISSN, →OCLC
2. Insane.
   • When he was finally arrested, Sutcliffe hoped that by claiming to be deranged he would be convicted of manslaughter rather than murder, and therefore sent to hospital and perhaps released after 10 years.2020 November 13, Duncan Campbell, “Peter Sutcliffe obituary”, in The Guardian

   Synonyms:

   5150, bananas, barking, barking mad, buggish, buggy, bughouse, barmy, batchy, batpoop

3. Malfunctioning or inoperative.
   • 4-14. Reference (b) reports that "there was hardly any part of the boat that had not in some way been damaged." Only one of the four main Diesel engines was not damaged beyond immediate repair. However, the two auxiliary engines (Winton 6-241) were still operable. The port reduction gear casing was...1949 January 1, Bureau of Ships, “U.S.S. PERCH (SS176), Loss in Action, Java Sea, 3 March 1942”, in Submarine Report: Depth Charge, Bomb, Mine, Torpedo and Gunfire Damage, Including Losses in Action...