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
Synonyms
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
Gordon G. Chang, Newsweek, 1 Nov. 2024
The first fall freezes are coming later too, with Flagstaff seeing its first frost eight days later than normal on average.
—Hayleigh Evans, The Arizona Republic, 25 Oct. 2024
Hallie Milstein, Southern Living, 23 Oct. 2024
The window can either be a clear window allowing for light and a view into the great outdoors, or frosted over for privacy.
—Nena Farrell, WIRED, 30 Sep. 2024
See all Example Sentences for frost 
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Noun
Parts of Utah, Colorado, New Mexico and northern Texas were under a freeze warning, with a frost advisory impacting parts of northern Texas as well.
—Gordon G. Chang, Newsweek, 1 Nov. 2024
The first fall freezes are coming later too, with Flagstaff seeing its first frost eight days later than normal on average.
—Hayleigh Evans, The Arizona Republic, 25 Oct. 2024
Verb
Be sure to add your festive sprinkles before the frosting sets.
—Hallie Milstein, Southern Living, 23 Oct. 2024
The window can either be a clear window allowing for light and a view into the great outdoors, or frosted over for privacy.
—Nena Farrell, WIRED, 30 Sep. 2024
See all Example Sentences for frost
Dictionary Entries Near frost
Cite this Entry
“Frost.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frost. Accessed 28 Nov. 2024.
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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