deranged

adj

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.”

   “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 him.”

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.”

3. Malfunctioning or inoperative.

verb

1. (form-of, participle, past)simple past and past participle of derange