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
Ingredients range from varietals of mint, basil and an array of chiles to the unexpected, like mustard, lemon verbena and wasabi.
—
Carley Rojas Ávila, Forbes.com, 6 June 2025
In addition, studies have shown coffee grounds inhibit seed-germination in certain plants, which can provide limited weed suppression, but also negatively impact some desirable plants, such as geraniums, clovers, and mustards.
—Kim Toscano, Southern Living, 4 June 2025
Whisk the lime juice, vinegar, garlic, mustard, honey, cumin, salt and black pepper in a small bowl.
—Lynda Balslev, Mercury News, 4 June 2025
Chard is softer and sweeter compared to kale, mustard greens or collard greens, and much closer to spinach in taste and texture.
—Carole Kotkin, Miami Herald, 30 May 2025
See All Example Sentences for mustard
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Carley Rojas Ávila, Forbes.com, 6 June 2025
In addition, studies have shown coffee grounds inhibit seed-germination in certain plants, which can provide limited weed suppression, but also negatively impact some desirable plants, such as geraniums, clovers, and mustards.
—Kim Toscano, Southern Living, 4 June 2025
Whisk the lime juice, vinegar, garlic, mustard, honey, cumin, salt and black pepper in a small bowl.
—Lynda Balslev, Mercury News, 4 June 2025
Chard is softer and sweeter compared to kale, mustard greens or collard greens, and much closer to spinach in taste and texture.
—Carole Kotkin, Miami Herald, 30 May 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 10 Jun. 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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