1. (noun)diet a prescribed selection of foods Synonyms: dieting
2. (noun)diet a legislative assembly in certain countries (e.g., Japan) Synonyms: dieting
3. (noun)diet the usual food and drink consumed by an organism (person or animal) Synonyms: dieting
4. (verb)diet, dieting the act of restricting your food intake (or your intake of particular foods) Synonyms: diet, dieting
5. (verb)diet follow a regimen or a diet, as for health reasons
6. (verb)diet eat sparingly, for health reasons or to lose weight
Synonyms, Thesaurus & Antonyms of 'DIET'
English Synonyms and Antonyms
1. DIET Food is, in the popular sense, whatever one eats in contradistinction to what one drinks. Thus, we speak of food and drink, of wholesome, unwholesome, or indigestible food; but in a more scient Synonyms: food, aliment, feed, nourishment, pabulum, sustenance, diet, fodder, nutriment, provender, viands, fare, forage, nutrition, regimen, victuals
Synonyms for DIET 
