It isn’t on

usgb
phrase

Something is not acceptable or fair.

He stole my lunch, it isn't on.
Visual representation of "it isn’t on" - Something is not acceptable or fair.

Often appears as...

  • that's not on
  • it just isn't on

Usage tips

Informal

Colloquial

Definition 1 of 3
Visual representation of "it isn’t on"
LampPro Tip 1/3

Colloquial Nuance

Used in a casual conversation, often to express that something is unjust or unethical.

Illustration for Colloquial Nuance
He took credit for your idea? That isn't on!
LampPro Tip 2/3

Mild Disapproval

Expresses a light form of disapproval, not severe but clear enough to voice dissatisfaction.

Illustration for Mild Disapproval
She skipped the queue - it just isn't on.
LampPro Tip 3/3

British Phrase

Especially common in British English and might not be well understood elsewhere.

Illustration for British Phrase
Bullying in the workplace? I tell you, it isn't on.
Visual representation of the word "It isn’t on"

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