Diet is defined as a person's regularly consumed food and drink or it can mean regulating food intake to lose or gain weight.(noun)
The definition of diet is lower in fat, sugar, calories, etc. than the regular product.(adjective)
An example of diet is soda with zero calories.
Diet means to change food intake to lose weight.(verb)
An example of diet is to eat only healthy foods and those with little to no fat.
See diet in Webster's New World College Dictionary
Origin: ME diete < OFr < ML dieta, diet, daily food allowance (meaning infl. by diet) < L diaeta < Gr diaita, way of life, regimen < dia-, through + root of aisa, fate < IE *aito-, share < base *ai-, to give, allot
intransitive verb, transitive verb
Origin: ME dieten < ML dietare
Origin: ME diete < OFr < ML dieta < L dies, day: see deity
See diet in American Heritage Dictionary 4
Origin: Middle English diete
Origin: , from Old French
Origin: , from Latin diaeta, way of living, diet
Origin: , from Greek diaita
Origin: , back-formation from diaitāsthai, to live one's life
Origin: , middle voice of diaitān, to treat.
Origin: Middle English diete, day's journey, day for meeting, assembly
Origin: , from Medieval Latin diēta
Origin: , alteration (influenced by Latin diēs, day)
Origin: of Latin diaeta, daily routine; see diet1.
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