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
Snacks include crispy lake perch with whitefish tonnato, prawns with Campari aioli, and smoked mackerel with pretzels and mustard zabaglione.
—
Kate Kassin, Bon Appetit Magazine, 22 Sep. 2025
Stir in flour, mustard, Worcestershire sauce, black pepper and cayenne pepper until mixture is combined and thickened, 1 minute.
—Karla Walsh, Better Homes & Gardens, 21 Sep. 2025
Make the most of autumn's harvest by having a menu totally dedicated to in-season veggies and fruit—think Brussels sprouts, mustard greens, carrots, butternut squash, apples, pumpkin, and anything else your farmers’ market might have in stock.
—Kaitlyn Yarborough, Southern Living, 21 Sep. 2025
The 16-ounce prime Angus New York strip includes duck fat confit Dutch potatoes, pancetta, king trumpet mushrooms, roasted pearl onions, Shropshire blue cheese, red frill mustard and Cabernet reduction.
—Jessica Peralta, Oc Register, 19 Sep. 2025
See All Example Sentences for mustard
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Kate Kassin, Bon Appetit Magazine, 22 Sep. 2025
Stir in flour, mustard, Worcestershire sauce, black pepper and cayenne pepper until mixture is combined and thickened, 1 minute.
—Karla Walsh, Better Homes & Gardens, 21 Sep. 2025
Make the most of autumn's harvest by having a menu totally dedicated to in-season veggies and fruit—think Brussels sprouts, mustard greens, carrots, butternut squash, apples, pumpkin, and anything else your farmers’ market might have in stock.
—Kaitlyn Yarborough, Southern Living, 21 Sep. 2025
The 16-ounce prime Angus New York strip includes duck fat confit Dutch potatoes, pancetta, king trumpet mushrooms, roasted pearl onions, Shropshire blue cheese, red frill mustard and Cabernet reduction.
—Jessica Peralta, Oc Register, 19 Sep. 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 Sep. 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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