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On a diet Meaning in English

expression

ˈɑn/, /ˈɔn/ /ˈeɪ/, /ə/ /ˈdaɪət
AHN-uh-DY-it
ˈɒn/ /æɪ/ /dˈaɪət
ON-uh-DY-it

Definition

When a person is controlling or changing what they eat, usually to lose weight or improve their health.

Usage & Nuances

Commonly used informally, especially for weight loss. Used with 'be' verbs ('I'm on a diet'). Usually refers to eating less or avoiding certain foods. Not the same as having a medical 'diet' (which could mean any eating plan, not just weight loss).

Example Sentences

I am on a diet because I want to lose weight.

basic

She cannot eat cake; she is on a diet.

basic

Are you on a diet right now?

basic

Sorry, I’ll skip dessert—I’m on a diet.

natural

He always says he’s on a diet, but he loves pizza too much to give it up.

natural

Being on a diet doesn’t mean you have to eat boring food all the time.

natural