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

Gonzalez, who was not on the committee on that date, was not included in the email. — Madison Smalstig, Sacbee.com, 28 Sep. 2026

For the show, which aired for the first time ever not on MTV but its sister network CBS, Slayyyter opted for waist-length, dark blonde waves offset by a few inches of not-quite-blonde, not-quite-brunette roots—a color also known as bronde! — Kara Nesvig, Allure, 27 Sep. 2026

James' interception return for a TD went 39 yards, and Jackson's was 65 yards after Washington and his receiver were clearly not on the same page. — ABC News, 26 Sep. 2026

Her question to Caine about his concern over a munitions shortage also aired on Face the Nation — just not on 60 Minutes. — Katie Kilkenny, HollywoodReporter, 25 Sep. 2026

Rhymes for not on

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