dietary

1 of 2

adjective

di·​e·​tary ˈdī-ə-ˌter-ē 

-ˌte-rē

: of or relating to a diet or to the rules of a diet

dietary guidelines

dietarily

ˌdī-ə-ˈter-ə-lē 

-ˈte-rə-

adverb

dietary

2 of 2

noun

plural dietaries

: the kinds and amounts of food available to or eaten by an individual, group, or population

Examples of dietary in a Sentence

Adjective

Many of our patients have special dietary needs.

Recent Examples on the Web

Adjective

Standing nearby is a kosher supervisor called a mashgiach whose job is to ensure the kitchen abides by Jewish dietary rules. — Miami Herald, 9 Sep. 2026

The Alpha-Gal Association, a nonprofit advocacy group that provides online resources to people with the allergy, recommends ostrich as a dietary substitute that tastes like beef. — Dylan Lovan, Fortune, 6 Sep. 2026

Noun

Breakfast, lunch, and dinner are served at the bright and airy Cactus Flower, with a buffet and à la carte menus (with calorie counts for each dish), all customizable to every dietary need imaginable. — Jessica Ritz, Travel + Leisure, 30 Aug. 2026

Researchers looked at dietary, smoking and demographic data for 187 patients who were diagnosed with lung cancer at age 50 or younger. — Melissa Rudy, FOXNews.com, 21 Apr. 2026

Word History

First Known Use

Adjective

1585, in the meaning defined above

Noun

1860, in the meaning defined above

Phrases Containing dietary

• dietary law
• dietary supplement

Rhymes for dietary

• askari
• astbury
• azeri
• banbury
• barberry
• blackberry
• blueberry
• canary
• cranberry
• dentary
• dewberry
• dogberry

Kids Definition

dietary

adjective

di·​etary

ˈdī-ə-ˌter-ē

: of or relating to a diet or to the rules of diet

Medical Definition

dietary

1 of 2 noun

di·​etary ˈdī-ə-ˌter-ē 

plural dietaries

: the kinds and amounts of food available to or eaten by an individual, group, or population

dietary

2 of 2 adjective

: of or relating to a diet or to the rules of a diet

a dietary disease

dietary habits

dietarily

ˌdī-ə-ˈter-ə-lē 

adverb