unhinged

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

affected with madness or insanity
- a man who had gone mad
• Syn:
brainsick, crazy, demented, disturbed, mad,
sick, unbalanced
• Similar to:
insane
• Derivationally related forms:
sick (for: sick), madness (for: mad), dementedness (for: demented), craze (for: crazy), craziness (for: crazy)