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

Breakfast is also served à la carte in the courtyard each morning, though note that the risotto is unfortunately not on the menu that early in the day. — Condé Nast, Condé Nast Traveler, 13 Oct. 2026

Dalton Rushing, who started just five fewer games behind the plate than Smith this season, is injured and not on the roster. — Kevin Baxter, Los Angeles Times, 12 Oct. 2026

Nathan Hanners said trees seemed to fall all around his house, but not on it. — Erika Angulo, NBC news, 11 Oct. 2026

Amazon, which brought in nearly four times as many H-1B workers new to the company, was not on the suspension list. — Marshall Ritzel,gabriel Cortés, CNBC, 10 Oct. 2026

Rhymes for not on

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