(usually capitalized as a proper noun) A council or assembly of leaders; a formal deliberative assembly. / (Scotland) A session of exams / (Scotland, law) The proceedings under a criminal libel.

The food and beverage a person or animal consumes. / (countable) A controlled regimen of food and drink, as to gain or lose weight or otherwise influence health.

(of a food or beverage) Containing less fat, salt, sugar, or calories than normal, or claimed to have such. / (informal, figuratively) Having certain traits subtracted.

(transitive) To regulate the food of (someone); to put on a diet. / (intransitive) To modify one's food and beverage intake so as to decrease or increase body weight or influence health.

(microbiology) Abbreviation of direct interspecies electron transfer.

Alternative letter-case form of diet (council or assembly of leaders; a formal deliberative assembly).

simple past tense and past participle of diet

The act of following a diet.

present participle of diet

Third-person singular simple present indicative form of diet