1
a
: 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
2
a
: coldness of deportment or temperament : an indifferent, reserved, or unfriendly manner
b
: failure
the play was … a most dreadful frost—
Arnold Bennett
Arnold Bennett
frosted; frosting; frosts
1
a
: 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
: to become frosted
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.
Recent Examples on the Web
James Cordier, Forbes.com, 16 Apr. 2025
Similar temperatures are expected Tuesday morning, and the area could experience frost or freeze conditions.
Temperatures across Arkansas are expected to return to average to slightly below average through Friday.
—Daniel McFadin, Arkansas Online, 7 Apr. 2025
Elizabeth Fogarty, Better Homes & Gardens, 18 Apr. 2025
They were usually surrounded by toddlers, soiling their pull-ups while smeared with frosting.
—Dan Ewen, Deadline, 18 Apr. 2025
See All Example Sentences for frost
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Noun
Florida, the Sunshine State, which produced (at the time) 60 percent of the US orange juice, had its worst frost in 100 years.
—James Cordier, Forbes.com, 16 Apr. 2025
Similar temperatures are expected Tuesday morning, and the area could experience frost or freeze conditions.
Temperatures across Arkansas are expected to return to average to slightly below average through Friday.
—Daniel McFadin, Arkansas Online, 7 Apr. 2025
Verb
Assemble and Serve Pipe frosting onto half (about 12) of the cookies, and sandwich with remaining cookies.
—Elizabeth Fogarty, Better Homes & Gardens, 18 Apr. 2025
They were usually surrounded by toddlers, soiling their pull-ups while smeared with frosting.
—Dan Ewen, Deadline, 18 Apr. 2025
See All Example Sentences for frost
Cite this Entry
“Frost.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frost. Accessed 2 May. 2025.
Copy CitationKids Definition
frost
1 of 2 noun1
: the temperature that causes freezing
2
: a covering of tiny ice crystals on a cold surface
frost
2 of 2 verb1
a
: to cover with or as if with frost
especially
: to put icing on (as cake)
b
: to give a surface that looks like frost to
2
: to injure or kill by frost : freeze
Biographical Definition
Frost
biographical name
Robert Lee 1874–1963 American poet
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