- of or relating to a diet
- a regulated diet
- a system of dieting
WordReference Random House Learner's Dictionary of American English © 2026
di•e•tar•y /ˈdaɪɪˌtɛri/USA pronunciation adj. [before a noun]
WordReference Random House Unabridged Dictionary of American English © 2026- of or relating to diet or the food one eats or is allowed to eat:dietary restrictions.
di•e•tar•y
(dī′i ter′ē),USA pronunciation adj., n., pl. -tar•ies.
adj.
n.
di′e•tar′i•ly, adv.
adj.
- Nutritionof or pertaining to diet:a dietary cure.
n.
- Nutritiona regulated allowance of food.
- [Obs.]a system or course of diet.
- late Middle English dietarie system of diet. See diet1, -ary 1400–50
Collins Concise English Dictionary © HarperCollins Publishers::
dietary /ˈdaɪətərɪ; -trɪ/ adj
'dietary' also found in these entries (note: many are not synonyms or translations):
beriberi
- diet
- dietary fibre
- dietetic
- fibre
- health food
- kashruth
- kosher
- kwashiorkor
- macrobiotics
- pellagra
- RDA
- roughage
- aspartic acid
- calciferol
- calcium gluconate
- clean
- coenzyme Q 10
- dairy
- deficiency disease
- dietary fiber
- dietary law
- enforce
- fiber
- fleishig
- glatt kosher
- graham flour
- hechsher
- kosher-style
- macrobiotic
- mashgiah
- megavitamin
- milchig
- molybdenosis
- olestra
- Orthodox Jew
- pareve
- recommended dietary allowance
- tocopherol
- transferrin
- unclean
- U.S. RDA