frost

verb

frosted; frosting; frosts

transitive verb

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

intransitive verb

: to become frosted

Synonyms of frost

• bug
• annoy
• bother
• persecute
• irritate

Examples of frost in a Sentence

The cold had frosted the windows.

I have to frost the birthday cake.

Recent Examples on the Web

Starting June 8, the best-in-the-nation chain is unveiling its Peach Cobbler Pop Up with peaches-and-cream cake filled with cinnamon peaches, topped with cream cheese frosting and a brown sugar butter crumble. —Melissa Locker, Southern Living, 29 May 2026

Level up your lemon poppy seed cake by pairing it with a floral lavender frosting in this creative recipe. —Kate Bradshaw, San Diego Union-Tribune, 27 May 2026

With frosting on her face and in her hair, Raquel laughs and quickly gets revenge. —Ashlyn Robinette, PEOPLE, 26 May 2026

Like the name suggests, this lotion resembles and smells like creamy, fluffy vanilla frosting. —Reece Andavolgyi, InStyle, 25 May 2026

Word History

First Known Use

1635, in the meaning defined at transitive sense 1a

Phrases Containing frost

• frost heave

Rhymes for frost

• bossed
• cost
• crossed
• dost
• glossed
• lost
• prost
• rost
• tossed
• accost
• crisscrossed
• defrost

Kids Definition

frost

1 of 2 noun

ˈfrȯst 

1

: the temperature that causes freezing

2

: a covering of tiny ice crystals on a cold surface

frost

2 of 2 verb

1

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