Go off the deep end Meaning in English
expression
Definition
To suddenly lose control, become extremely angry, upset, or irrational, often in reaction to something unexpected.
Usage & Nuances
Informal and idiomatic; often used to describe someone's exaggerated emotional response. Typical for anger, but can imply other strong emotions. Synonyms: 'lose it', 'freak out'. Not literal—avoid in formal or written contexts.
Example Sentences
He went off the deep end when he saw the mess in the kitchen.
basic
Try to stay calm, don't go off the deep end.
basic
She went off the deep end after losing her phone.
basic
My boss goes off the deep end if you’re just five minutes late.
natural
People thought he went off the deep end when he quit his job and moved abroad.
natural
I know it’s frustrating, but let’s not go off the deep end over something small.
natural