diet

I UK [ˈdaɪət] / US noun
Word forms "diet":
singular diet plural diets
***

1) [countable/uncountable] the food that a person or animal usually eats

Poor diet can affect the unborn baby.

Try to eat a balanced diet.

diet of:

The bird has a diet of nuts and berries.

a) [countable] a limited amount of food that someone eats because they are trying to become thinner

Most of these diets just don't work.

go/be on a diet:

I can't fasten my jeans – I'll have to go on a diet.

b) [countable] a limited range of foods that someone eats to improve their health

products suitable for a wheat-free diet

c) [only before noun] containing less sugar or fat than other similar foods

diet yoghurt/cola

•

Collocations:
Adjectives frequently used with diet
▪  balanced, healthy, low-calorie, low-fat, special, varied, vegetarian

2) [countable] the things that a person regularly sees or experiences, especially when these are of poor quality

diet of:

We are fed a diet of game shows and soap operas.

3) [countable] the national parliament in some countries, for example Japan

II UK [ˈdaɪət] / US verb [intransitive]
Word forms "diet":
present tense I/you/we/they diet he/she/it diets present participle dieting past tense dieted past participle dieted

to eat particular foods or small amounts of food because you are trying to become thinner

Derived word:
dieting
UK / US noun uncountable