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di·et 1

1. The usual food and drink of a person or animal.
2. A regulated selection of foods, as for medical reasons or cosmetic weight loss.
3. Something used, enjoyed, or provided regularly: subsisted on a diet of detective novels during his vacation.
1. Of or relating to a food regimen designed to promote weight loss in a person or an animal: the diet industry.
a. Having fewer calories.
b. Sweetened with a noncaloric sugar substitute.
3. Designed to reduce or suppress the appetite: diet pills; diet drugs.
v. di·et·ed, di·et·ing, di·ets
To eat and drink according to a regulated system, especially so as to lose weight or control a medical condition.
To regulate or prescribe food and drink for.

[Middle English diete, from Old French, from Latin diaeta, way of living, diet, from Greek diaita, back-formation from diaitāsthai, to live one's life, middle voice of diaitān, to treat.]

di′et·er n.

di·et 2

1. A national or local legislative assembly in certain countries, such as Japan.
2. A formal general assembly of the princes or estates of the Holy Roman Empire.

[Middle English diete, day's journey, day for meeting, assembly, from Medieval Latin diēta, alteration (influenced by Latin diēs, day) of Latin diaeta, daily routine; see diet1.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.dieter - a person who diets
individual, mortal, person, somebody, someone, soul - a human being; "there was too much for one person to do"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


noun slimmer, weight watcher, calorie counter, faster, reducer Dieters can become obsessed with the number of calories in food.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002


[ˈdaɪətəʳ] Npersona f que está a régimen or dieta
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


[ˈdaɪətər] n (= slimmer) → personne f qui suit un régime
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
References in periodicals archive ?
She was born March 24, 1931 in Winfield Twp., IL the daughter of Edwin and Clara (Schweisthal) Dieter. On May 2, 1953 she married George Wiesneth in West Chicago.
Hans Egon Dieter Vriens has been on the run for two years after defiling the girls aged 8,9 and 10.
The Supervisory Board of Daimler AG intends to propose to the shareholders at that meeting that Dieter Zetsche be elected as a member of the Supervisory Board.
She's not a dieter. She is Naturally Thin Nicky, and it's not surprising that she believes what she sees with her own eyes and feels in her own body.
Now I would like to pass some of that knowledge on to my 15-year-old grandson, Dieter. When he was 12, Dieter killed a 6x6 elk and a doe deer with his rifle, but because of school conflicts he has had little opportunity to hunt antelope.
But unsurprisingly, Dieter is no closer to cooperating.
He essentially has to babysit a captured German scientist, Dieter Koehler, and his daughter, and convince him to help develop cutting edge jet engine technology.
On August 12, 2016, Gallus' long-standing business partner and friend Dieter Arabin died accidentally while engaging in a beloved hobby close to his hometown of Langgons, Germany.
Set during that era, the novel begins as Dieter, a man in his late twenties, takes up residence in the old hotel in Crooked River, Florida.
Dieter is a service dog for Neal Williams, a disabled Vietnam veteran who serves on the board of directors of the Paralyzed Veterans of America New England Chapter.
Training the body to feel satiated during a low calorie diet, and learning how to diet correctly are obstacles that must be conquered quickly if a dieter is going to achieve fast weight loss.