\ ˈfrȯst How to pronounce frost (audio) \

Definition of frost

 (Entry 1 of 3)

1a : the process of freezing
b : a covering of minute ice crystals on a cold surface also : ice particles formed from a gas
c : the temperature that causes freezing
2a : coldness of deportment or temperament : an indifferent, reserved, or unfriendly manner
b : failure the play was … a most dreadful frost— Arnold Bennett


frosted; frosting; frosts

Definition of frost (Entry 2 of 3)

transitive verb

1a : to cover with or as if with frost especially : to put icing on (cake)
b : to produce a fine-grained slightly roughened surface on (such as metal or glass)
2 : to injure or kill (plants) by frost
3 : to make angry or irritated that really frosts me


biographical name
\ ˈfrȯst How to pronounce Frost (audio) \

Definition of Frost (Entry 3 of 3)

Robert Lee 1874–1963 American poet

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Other Words from frost

Biographical name

Frostian \ ˈfrȯ-​stē-​ən How to pronounce Frost (audio) , ˈfrȯs-​chən \ adjective

Examples of frost in a Sentence

Noun The grass was covered with frost. Frost formed on the window. These plants should bloom until the first frost of the season. We had an early frost. Verb The cold had frosted the windows. I have to frost the birthday cake.
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Recent Examples on the Web: Noun For example, some summer plants such as moss rose and caladiums play out long before the first frost. Neil Sperry,, "Neil Sperry: Pruning redtip photinias too much a big mistake," 10 Dec. 2020 Meanwhile, pro athletes who train outside year-round (eagerly!) anticipate the first frost as a chance to mix up their routines, work different muscle groups, and develop mental stamina. Kari Molvar, Vogue, "How to Take Your Winter Workout Outdoors," 8 Dec. 2020 When a particular food source is at its peak, such as freshly emerging oats or a frost-sweetened brassica plot, a buck won’t want to forgo it—even if he’s been spooked on or coming toward it. Gerald Almy, Field & Stream, "Six Ways to Find That Buck You Spooked," 1 Dec. 2020 Options reach as cold as the negative double digits, with features like frost-preventing snorkels and windproof fabric — although exposure to such extreme temperatures can quickly become dangerous. Ariel Cheung,, "The ultimate guide to winter camping in Illinois during COVID-19," 21 Nov. 2020 The winter months on Sanibel can become much cooler, sometimes bringing frost and the occasional freeze. Cassie Armstrong,, "Relax, you’re on (Sanibel) island time," 12 Nov. 2020 Behind the front, much colder air has brought frost and freeze advisories from the Plains through the Midwest and Ohio Valley. Janice Dean, Fox News, "Rain across the East, possible first snow of the season in the West," 16 Oct. 2020 More frost and freezing temperatures are expected for Friday night into early Saturday. Joe Taschler, Milwaukee Journal Sentinel, "Snow may show up across northern Wisconsin this weekend; metro Milwaukee could see a few flakes, too," 15 Oct. 2020 In 2016 and 2017, despite its best frost-protecting efforts, Hattingley Valley lost 90 percent of its buds, says head winemaker Emma Rice. Jillian Kramer, Smithsonian Magazine, "English Sparkling Wines Challenge the Supremacy of Champagne, France—Thanks to Climate Change," 27 Jan. 2020 Recent Examples on the Web: Verb Just cut simple sugar cookies into hearts, bake and frost with royal icing. Kate Merker, Good Housekeeping, "Heart-Shaped Cookies," 9 Dec. 2020 Not knowing to frost in between the two layers of cake. Gaby Scelzo, Bon Appétit, "Forget Fancy Frosting or Fondant, I Just Want Lloyd’s Carrot Cake," 3 Dec. 2020 Since there have already been widespread freezing temperatures across those regions, the growing season has been declared over and frost and freeze advisories have been put on the shelf until next spring. Leigh Morgan, al, "Snowflakes and freeze warnings for Alabama later today," 30 Nov. 2020 To serve, frost cupcakes with Cream Cheese Frosting. The Good Housekeeping Test Kitchen, Good Housekeeping, "Pumpkin Spice Cupcakes With Cream Cheese Frosting," 13 July 2020 With no time spent on ventilation, there will typically be dew or frost inside the burrito from water vapor produced by you during the night, especially if your clothes are damp. Popular Science, "Fifteen survival shelters that can save your life," 28 May 2020 The classic, yeast-style doughnuts are topped with vanilla frosting decorated with sprinkles and red icing. Tanya Edwards,, "Red, white, and delicious: Patriotic foods for your Fourth of July celebrations," 1 July 2019 Guinness Chocolate Cake with Baileys Irish Cream Cheese Frosting Nothing says St. Patrick’s Day more than this chocolate cake paired with Guinness and frosting paired with Baileys Irish Cream from Fox News, "9 sweet treats for St. Patrick's Day," 11 Mar. 2016 One location offers a four-doughnut pack with three types of frosting — strawberry, chocolate, and vanilla — and two types of sprinkles for $7.99. Kelsey Hurwitz, Woman's Day, "Dunkin' Is Selling DIY Doughnut Decorating Kits Across the U.S.," 7 May 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'frost.' 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 frost


before the 12th century, in the meaning defined at sense 1a


1635, in the meaning defined at transitive sense 1a

History and Etymology for frost


Middle English, from Old English; akin to Old High German frost — more at freeze

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Learn More about frost

Time Traveler for frost

Time Traveler

The first known use of frost was before the 12th century

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Statistics for frost

Last Updated

14 Jan 2021

Cite this Entry

“Frost.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2021.

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More Definitions for frost


How to pronounce Frost (audio)

English Language Learners Definition of frost

 (Entry 1 of 2)

: a thin layer of ice that forms on the ground, on grass, etc., when the air becomes cold
: the occurrence of weather that is cold enough to cause water to freeze and frost to form



English Language Learners Definition of frost (Entry 2 of 2)

: to cover (something) with frost
: to become covered with frost
chiefly US : to cover (something, such as a cake) with frosting (sense 1)


\ ˈfrȯst How to pronounce frost (audio) \

Kids Definition of frost

 (Entry 1 of 2)

1 : a covering of tiny ice crystals on a cold surface formed from the water vapor in the air
2 : temperature cold enough to cause freezing


frosted; frosting

Kids Definition of frost (Entry 2 of 2)

1 : to cover with frosting frost a cake
2 : to cover or become covered with frost

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Comments on frost

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