Definition of diet
(Entry 1 of 4)
1a
: food and drink regularly provided or consumed
a diet of fruits and vegetables a vegetarian diet
b
: habitual nourishment
links between diet and disease
c
: the kind and amount of food prescribed for a person or animal for a special reason
was put on a low-sodium diet
d
: a regimen of eating and drinking sparingly so as to reduce one's weight
going on a diet
2
: something provided or experienced repeatedly
Their imaginations feverish from a diet of detective novels … — The New Yorker heard a steady diet of excuses
diet
verb
dieted; dieting; diets
Definition of diet (Entry 2 of 4)
1
: to cause to take food : feed
2
: to cause to eat and drink sparingly or according to prescribed rules
: to eat sparingly or according to prescribed rules
has been dieting for two months
diet
adjectiveDefinition of diet (Entry 3 of 4)
1
: reduced in or free from calories
a diet soft drink
2
: promoting weight loss (as by depressing appetite)
diet pills
diet
noun (2)Definition of diet (Entry 4 of 4)
1
: a formal deliberative assembly of princes or estates
2
: any of various national or provincial legislatures
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Merriam-Webster unabridged
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Time Traveler for diet
The first known use of diet was in the 13th century
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