adj · noun · 6 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/ˈdaɪət(ə)ɹi/
US:/ˈdaɪəˌtɛɹi/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:D AY1 AH0 T EH2 R IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Pertaining to a prescribed diet; (generally), relating to what a person or animal eats.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Examples
If you have any dietary requirements, please inform the kitchen staff.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Comprising a food source.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A regulated diet that excludes or constrains certain types of food, especially for health reasons; also, a book or similar setting out such regulations.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
A prescribed meal plan setting out how the inhabitants of an institution (such as a prison, hospital etc.) should be fed, and on what foods.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
adjective
Meaning 5
of or relating to the diet
Definition source: Princeton WordNet 3.0
Examples
dietary restrictions
Meaning relationships
Synonyms: dietetic, dietetical
Antonyms: none provided
6
noun
Meaning 6
a regulated daily food allowance
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: fare
History
Etymology
From Medieval Latin diētārium (“book prescribing diet”), from Latin diaeta (“diet”).
Across languages
Translations
33 source translations are retained for this English entry.
Belarusian:
дыеты́чны
(dyjetýčny)
— of, or relating to diet
Bengali:
পরহেজী
(pôrhezī)
— of, or relating to diet
Bulgarian:
диетичен
(dietičen)
— of, or relating to diet
Catalan:
dietètic
— of, or relating to diet
Danish:
diæt-
— of, or relating to diet
Danish:
kost-
— of, or relating to diet
Danish:
diætetisk
— of, or relating to diet
Dutch:
diëtair
— of, or relating to diet
Finnish:
ruokavalio-
— of, or relating to diet
Finnish:
ruoka-
— of, or relating to diet
Finnish:
ruokailu-
— of, or relating to diet
French:
diététique
— of, or relating to diet
French:
alimentaire
— of, or relating to diet
German:
diätisch
— of, or relating to diet
Greek:
διατροφικός
(diatrofikós)
— of, or relating to diet
Hebrew:
תזונתי
(tzunatí)
— of, or relating to diet
Hungarian:
étrendi
— of, or relating to diet
Hungarian:
diétás
— of, or relating to diet
Hungarian:
étkezési
— of, or relating to diet
Interlingua:
dietari
— of, or relating to diet
Italian:
dietetico
— of, or relating to diet
Italian:
alimentare
— of, or relating to diet
Polish:
dietetyczny
— of, or relating to diet
Portuguese:
dietético
— of, or relating to diet
Russian:
диети́ческий
(dijetíčeskij)
— of, or relating to diet
Spanish:
dietético
— of, or relating to diet
Spanish:
alimentario
— of, or relating to diet
Spanish:
alimenticio
— of, or relating to diet
Swedish:
diet-
— of, or relating to diet
Swedish:
dietisk
— of, or relating to diet
Turkish:
diyetli
— of, or relating to diet
Ukrainian:
дієти́чний
(dijetýčnyj)
— of, or relating to diet
Vietnamese:
chế độ ăn uống
— of, or relating to diet