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 mustard (audio) \ adjective

Examples of mustard in a Sentence

Would you like some mustard on your hot dog?
Recent Examples on the Web In a mortar and pestle or spice grinder, combine the coriander, black peppercorns and mustard seeds and pound or pulse until coarsely ground. Jessica Battilana, San Francisco Chronicle, "This juicy, zesty pan-seared steak could be your go-to Mother's Day recipe," 7 May 2021 Opening day is May 28, when the Dogs will give all fans in attendance a mustard costume and a bottle of Vienna Yellow Mustard. Annie Alleman,, "Minor-league baseball teams return to the field after most sat out 2020," 29 Apr. 2021 Simply top your salmon with the homemade honey mustard mixture alone. Mary Shannon Wells, Southern Living, "I Keep Finding New Ways to Enjoy This 30-Minute Sheet Pan Supper," 27 Apr. 2021 That’s all well and good, but the memorable scene comes when C.C. takes Fran out for sushi for her first time and Fran mistakes a glob of wasabi for mustard. Rebecca Caplan, Vulture, "15 Essential Episodes of The Nanny," 23 Apr. 2021 Sometimes, they're found in squeeze bottles that can be used to drizzle ketchup on fries or zig-zag mustard over a hot dog. Michelle Santiago Cortés,, "What’s The Difference Between A Dip, A Sauce, & A Condiment? A Very Serious Investigation," 22 Apr. 2021 When in bloom, mustard covers hillsides in tiny yellow flowers as bright as highlighters. Miles W. Griffis, Vogue, "Saving the Super Bloom: Why California’s Wildflowers Are Under Siege," 22 Apr. 2021 Or the Normandie, with prime brisket with a shoyu-dashi marinade and mustard aioli. Los Angeles Times, "Today’s Headlines: The Chauvin verdicts," 21 Apr. 2021 The bottle the team was looking for contains over a thousand seeds: 50 each of 21 different species, from black mustard to white clover to redroot amaranth. New York Times, "One of the World’s Oldest Science Experiments Comes Up From the Dirt," 21 Apr. 2021

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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Statistics for mustard

Last Updated

14 May 2021

Cite this Entry

“Mustard.” Dictionary, Merriam-Webster, Accessed 16 May. 2021.

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More Definitions for mustard



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

More from Merriam-Webster on mustard

Nglish: Translation of mustard for Spanish Speakers

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

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