not on

phrase

British, informal

1

: not acceptable or proper

Cheating old ladies out of their savings just isn't on.

2

: not possible

I'm afraid that scheme's just not on.

Examples of not on in a Sentence

Recent Examples on the Web

That case was dropped 20 days after Trump won the 2024 election, not on the merits, but because of a longstanding Department of Justice policy that a president can't be prosecuted while in office. — Chris Brennan, USA Today, 30 July 2026

Freese inexplicably kicking the grass instead of the ball is not on him. — Ian Miller Outkick, FOXNews.com, 30 July 2026

There is no soft implicit target, not on this committee’s watch. — Brian Cheung, NBC news, 29 July 2026

Detroit Lions running back Jahmyr Gibbs reported to training camp but was not on the field with teammates for their first practice on Wednesday as his agent and the franchise work on negotiating a new deal. — CBS News, 29 July 2026

Rhymes for not on

• anton
• argon
• axon
• baronne
• baryon
• baton
• boron
• buisson
• bygone
• capon
• cardon
• chiffon