diet

¹

[ dahy-it ]

noun

1. food and drink considered in terms of its qualities, composition, and its effects on health:

   The ad shows milk and dairy as a wholesome part of our daily diet.

2. a particular selection of food, especially as designed or prescribed to improve a person's physical condition or to prevent or treat a disease:

   A diet low in sugar is often recommended for diabetes prevention.

3. a selection of food that emphasizes caloric restriction or otherwise limits the amount a person eats, usually intended to induce weight loss:

   No pie for me, I'm on a diet.

4. the foods eaten, as by a particular person or group:

   The Mediterranean diet consists historically of fish, fruit, vegetables, whole grains, and nuts.

5. food or feed habitually eaten or provided:

   The rabbits were fed a diet of carrots and lettuce.

6. anything that is habitually provided or partaken of:

   Television has given us a steady diet of reality shows and police procedurals.

adjective

1. suitable for consumption as part of a selection of food intended to induce weight loss:

   I usually drink diet soft drinks.

2. formulated to be lower in calories, fat, sugar, etc. than a similar food:

   The diet version of the cookie does taste different.

verb (used without object)

, di·et·ed, di·et·ing.

1. to select or limit the food one eats to improve one's physical condition or to lose weight:

   I've dieted all month and lost only one pound.

2. to eat or feed according to the requirements of a particular or prescribed selection of food.

verb (used with object)

, di·et·ed, di·et·ing.

1. to regulate the food of, especially in order to improve the physical condition:

   They dieted the dog to a healthy weight of 20 pounds.

2. to feed.

diet

²

[ dahy-it ]

noun

1. the legislative body of certain countries, as Japan.
2. the general assembly of the estates of the former Holy Roman Empire.

diet

¹

/ ˈdaɪət /

noun

1. sometimes capital a legislative assembly in various countries, such as Japan
2. Also calledReichstag sometimes capital the assembly of the estates of the Holy Roman Empire
3. Scots law
   1. the date fixed by a court for hearing a case
   2. a single session of a court

diet

²

/ ˈdaɪət /

noun

1. 1. a specific allowance or selection of food, esp prescribed to control weight or in disorders in which certain foods are contraindicated

      a salt-free diet

      a 900-calorie diet

   2. ( as modifier )

      a diet bread

2. the food and drink that a person or animal regularly consumes

   a diet of nuts and water

3. regular activities or occupations

verb

1. usually intr to follow or cause to follow a dietary regimen

Derived Forms

• ˈdieter, noun

Other Words From

• di·et·er noun
• non·di·et·er noun
• non·di·et·ing adjective noun

Word History and Origins

Origin of diet¹

First recorded in 1175–1225; Middle English noun diete “day’s journey, appointed day, way of living,” from Anglo-French, Old French diete, from Latin diaeta, from Greek díaita “way of living, diet,” equivalent to dia- dia- + -aita (akin to aîsa “share, lot”; the verb is derivative of the noun

Origin of diet²

First recorded in 1400–50; late Middle English, from Medieval Latin diēta “public assembly,” the same word as Latin diaeta with sense affected by Latin diēs “day”; diet ¹

Word History and Origins

Origin of diet¹

C15: from Medieval Latin diēta public meeting, probably from Latin diaeta diet ¹but associated with Latin diēs day

Origin of diet²

C13: from Old French diete, from Latin diaeta, from Greek diaita mode of living, from diaitan to direct one's own life

Example Sentences

He trains like a professional athlete in any other sport, with early-morning gym sessions, a diet of healthful foods and all-day practice.

From Ozy

Rather than revamp the industry, these critics suggest alternatives such as meat-free diets to fulfill our need for protein.

From Singularity Hub 

In some cases, bacteria could even use these electrons to fuel growth in much the same way that humans use electrons from carbohydrates in the diet for energy.

From Science News

As a snapshot of the dino’s diet, the gut contents “can tell us more about dinosaur behavior,” Chin says.

From Science News For Students

Some of the data that scientists have about dinosaur diets comes from coprolites.

From Science News For Students

Park employees helped John quit tobacco by way of a butts-proof glass enclosure, a drastic change in diet, and regular exercise.

From The Daily Beast

There was also the grapefruit diet, the cabbage soup diet, and the cookie diet.

From The Daily Beast

Still other people have moved away from the word “diet” altogether.

From The Daily Beast

Limbaugh makes comments like this because his right-wing fans require a non–stop diet of race-baiting red meat.

From The Daily Beast

“Butter has always been a healthy part of the diet in almost every culture; butter is a traditional food,” Asprey says.

From The Daily Beast

Excretion of these substances is greatly increased by a diet rich in nuclei, as sweetbreads and liver.

From Project Gutenberg

I'm not enamored of a straight meat diet as a rule, but that evening I was in no mood to carp at anything half-way eatable.

From Project Gutenberg

The stools of infants are yellow, owing partly to their milk diet and partly to the presence of unchanged bilirubin.

From Project Gutenberg

The poor fellow's health so gave way under this meagre diet, that he died before his course of study was finished.

From Project Gutenberg

"I don't suppose any Frenchman is given to cannibalistic diet," he answered, smiling.

From Project Gutenberg