mus·​tard | \ ˈmə-stərd How to pronounce mustard (audio) \

Definition of mustard

1a : 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

Illustration of mustard

Illustration of mustard

mustard 2

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Other Words from mustard

mustardy \ ˈmə-​stər-​dē How to pronounce mustardy (audio) \ adjective

Examples of mustard in a Sentence

Would you like some mustard on your hot dog?
Recent Examples on the Web Available in seven different shades, including black and mustard, this pick is $178.80 through tonight, down $119.20 from its usual $298. Shayna Murphy, USA TODAY, "6 great QVC deals you can shop right now," 11 July 2020 Add garlic, anchovy, capers and mustard, whisk in olive oil. Beth Segal, cleveland, "Fourth of July grilling: Raising the stakes with steak," 29 June 2020 Chicken drippings flavor the cabbage and grainy mustard ensures a crunchy bite. Kari Sonde, Washington Post, "These 5 recipes rely on mustard for their zing," 1 June 2020 The owner also reported someone squirted mustard across the floor. Adam Ferrise, cleveland, "Man accused of breaking into restaurant that was looted following May 30 protests, riot in downtown Cleveland," 9 July 2020 To make the sauce: In a small bowl, whisk together the olive oil, lemon juice, mustard, garlic and honey until smooth. Nik Sharma,, "Summer’s adventures can be played out in the kitchen, with paneer," 9 July 2020 In a large bowl, combine the chuck, sirloin, Worcestershire, mustard powder, 1/2 teaspoon salt and 1/2 teaspoon pepper. Erin Booke, Dallas News, "5 fan-favorite burger recipes from Texas chefs and more," 3 July 2020 Best for everyday: Everlane Form Crossover Sandal Flip-flops get a sophisticated upgrade in these crossover sandals from Everlane, which come in soothing, earthy shades like rose pink, mustard, and sandstone. Lindsey Olander, Condé Nast Traveler, "8 Sandals You Can Wear All Day, Whether You’re Hiking or Poolside," 30 June 2020 Yellow mustard is popular in slaws made in South Carolina and Alabama. Angela Davis, Washington Post, "Here’s how to transform coleslaw from cookout supporting player to star," 25 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mustard.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mustard

13th century, in the meaning defined at sense 1a

History and Etymology for mustard

Middle English, from Anglo-French mustarde, from must must, from Latin mustum

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Time Traveler for mustard

Time Traveler

The first known use of mustard was in the 13th century

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Last Updated

24 Jul 2020

Cite this Entry

“Mustard.” Dictionary, Merriam-Webster, Accessed 4 Aug. 2020.

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How to pronounce mustard (audio)

English Language Learners Definition of mustard

: a thick and spicy yellow or brownish-yellow sauce that is usually eaten with meat
: a plant with yellow flowers, leaves that can be used for food, and seeds that are used in making mustard
: a brownish-yellow color


mus·​tard | \ ˈmə-stərd How to pronounce mustard (audio) \

Kids Definition of mustard

: a sharp-tasting yellow powder that is prepared from the seeds of a plant related to the cabbage and is used especially as a seasoning for foods


mus·​tard | \ ˈməs-tərd How to pronounce mustard (audio) \

Medical Definition of mustard

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

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More from Merriam-Webster on mustard

Rhyming Dictionary: Words that rhyme with mustard

Spanish Central: Translation of mustard

Nglish: Translation of mustard for Spanish Speakers

Britannica English: Translation of mustard for Arabic Speakers Encyclopedia article about mustard

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