unhinged
Unhinged (adj) means Mentally unstable or out of control. Example: “His behaviour grew increasingly unhinged after the divorce.”
How to use unhinged
Learner’s notesIn plain EnglishWild, out-of-control, or mentally unstable — very commonly used online in a half-joking way about extreme behaviour.
The figurative "unstable/wild" sense is now very common in informal and internet slang, often used humorously ("an unhinged meme").
Word forms
- Comparative
- more unhinged
- Superlative
- most unhinged
Fill the gap
Can you complete this real example?
His behaviour grew increasingly _____ after the divorce.
Etymology
From unhinge + -ed — literally "taken off its hinges," extended figuratively to mean mentally unstable.