Illustration of mustard
- mustard 2
1
a
: a pungent yellow condiment consisting of the pulverized seeds of various mustard plants (such as Sinapis alba, Brassica juncea, and B. nigra) either dry or made into a paste or sauce (as by mixing with water or vinegar) and sometimes adulterated with other substances (such as turmeric) or mixed with spices
b
: the seed of a mustard plant used as a spice and in medicine as a stimulant and diuretic, an emetic, or a counterirritant
c
slang
: zest
2
: any of several herbs (genera Brassica and Sinapis of the family Brassicaceae synonym Cruciferae, the mustard family) with lobed leaves, yellow flowers, and linear beaked pods
3
: a dark to moderate yellow
Examples of mustard in a Sentence
Would you like some mustard on your hot dog?
Recent Examples on the Web
Classic Deviled Eggs The filling for this no-frills deviled egg recipe is made with just the basics: mayonnaise, mustard, and sweet pickle relish.
—
Jenna Sims, Southern Living, 19 Apr. 2025
The actress added mustard yellow pumps and a pair of sunglasses.
—Catherine Santino, People.com, 18 Apr. 2025
In a large bowl, mix vinegar and mustard until well combined.
—Philip Potempa, Chicago Tribune, 11 Apr. 2025
The Easter menu includes cauliflower soup with kalamata olives, a cheese fritter with salmon tartare, white beans with shrimp, and a dry-aged picanha with radish and mustard.
—Amber Love Bond, Forbes.com, 10 Apr. 2025
See All Example Sentences for mustard
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Jenna Sims, Southern Living, 19 Apr. 2025
The actress added mustard yellow pumps and a pair of sunglasses.
—Catherine Santino, People.com, 18 Apr. 2025
In a large bowl, mix vinegar and mustard until well combined.
—Philip Potempa, Chicago Tribune, 11 Apr. 2025
The Easter menu includes cauliflower soup with kalamata olives, a cheese fritter with salmon tartare, white beans with shrimp, and a dry-aged picanha with radish and mustard.
—Amber Love Bond, Forbes.com, 10 Apr. 2025
See All Example Sentences for mustard
Cite this Entry
“Mustard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mustard. Accessed 23 Apr. 2025.
Copy CitationKids Definition
mustard
noun
mus·tard
ˈməs-tərd 
1
: any of several yellow-flowered herbs related to the turnips and cabbages
2
a
: a yellow sharp-tasting condiment consisting of the crushed seeds of various mustard plants either dry or made into a paste or sauce
b
: the seeds of a mustard plant
Medical Definition
mustard
noun
mus·tard
ˈməs-tərd
1
: a pungent yellow condiment consisting of the pulverized seeds of the black mustard or sometimes the white mustard either dry or made into a paste and serving as a stimulant and diuretic or in large doses as an emetic and as a counterirritant when applied to the skin as a poultice
2
: any of several herbs (genus Brassica of the family Cruciferae, the mustard family) with lobed leaves, yellow flowers, and linear beaked pods see black mustard sense 1, white mustard
3
a
b
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