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Synonyms

dietary

American  
[dahy-i-ter-ee] / ˈdaɪ ɪˌtɛr i /

adjective

  1. of or relating to diet.

    a dietary cure.


noun

dietaries plural
  1. a regulated allowance of food.

  2. Obsolete. a system or course of diet.

dietary British  
/ ˈdaɪətərɪ, -trɪ /

adjective

  1. of or relating to a diet

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a regulated diet

  2. a system of dieting

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of dietary

1400–50; late Middle English dietarie system of diet. See diet 1, -ary

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

However, the discovery could prove useful for athletes, many of whom already consume beetroot because dietary nitrate has been shown to support exercise performance.

From Science Daily Jul. 15, 2026

It can be served a million different ways, is easy to adapt to dietary restrictions and feels luxurious without being fussy.

From Salon Jul. 12, 2026

Intestinal worms may help reduce inflammation, but new research suggests they can only do so when they have enough dietary fiber to thrive.

From Science Daily Jul. 10, 2026

Rye pollen extract is already sold as a dietary supplement that many people use to support prostate health.

From Science Daily Jul. 6, 2026

Immediately, a dad jumps in with a slew of rapid-fire questions about his son’s dietary restrictions.

From "Leah on the Offbeat" by Becky Albertalli

Each state, however, makes its own regulations, and there is considerable diversity in workhouse dietaries in consequence.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various

Among eight dietaries lately studied in Middletown those above named showed the largest proportion of material thrown away.

From Scientific American Supplement, No. 1082, September 26, 1896 by Various

She finds that scientific dietaries too often ignore the tastes and prejudices of the poor.

From Friendly Visiting among the Poor A Handbook for Charity Workers by Richmond, Mary Ellen

On the other hand, the prison dietaries of many of the United States prisons go to the other extreme, fresh fish, green vegetables, even coffee and fruit, figuring in the dietary.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various

The standards proposed by myself, in which the studies of American dietaries have been taken into account, allow 125 grammes of protein and 3,500 calories of energy for a man at moderately hard muscular work.

From Scientific American Supplement, No. 1082, September 26, 1896 by Various

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