snowball

1 of 2

noun

snow·​ball ˈsnō-ˌbȯl 

1

a

: a round mass of snow pressed or rolled together

b

: snow cone

2

: any of several cultivated shrubby viburnums (genus Viburnum) with clusters of white sterile flowers

called also snowball bush

snowball

2 of 2

verb

snowballed; snowballing; snowballs

1

intransitive : to increase, accumulate, expand, or multiply at a rapidly accelerating rate

a trend that has begun to snowball

It was one of those games in which things just snowballed and kept getting worse for Philly …

—Paul Zimmerman

The snowballing growth of the last few years probably cannot continue forever.

—Tamar Lewin

2

transitive : to attack with snowballs : to throw snowballs at

Any man so unwise as to walk alone by day was apt to be set upon and snowballed …

—Fritz Leiber

Synonyms of snowball

Verb

• increase
• rise
• swell
• accelerate
• climb
• expand

Examples of snowball in a Sentence

Noun

This snow is perfect for making snowballs.

Verb

Problems snowball when early trouble signs are ignored.

What started as a small annual concert has snowballed into a full-fledged music festival.

consumers dealing with snowballing debt

Recent Examples on the Web

Noun

The daily burdens and stress of the school year lift, the days grow longer and sunnier, and in Maryland, the ubiquitous snowball stands reopen for the season. — Ellie Mitchell, Washington Post, 17 July 2026

Without greenhouse gases, the temperature would be closer to 0 F (minus 18 C), and Earth would resemble a giant snowball. — Vahe Peroomian, The Conversation, 13 July 2026

Verb

The country music star, who is navigating his divorce from Bunnie Xo, shared how a single indulgence quickly snowballed into a binge while chatting with a fan. — Lauryn Overhultz, FOXNews.com, 13 July 2026

January's was the deadliest, when security forces killed thousands to crush nationwide demonstrations that started over economic woes and then snowballed into calls for Khamenei's overthrow. — ABC News, 9 July 2026

Word History

First Known Use

Noun

15th century, in the meaning defined at sense 1a

Verb

1820, in the meaning defined at sense 2

Phrases Containing snowball

• a snowball's chance in hell
• snowball effect
• snowball fight

Rhymes for snowball

• aldol
• armhole
• atoll
• awol
• backhaul
• banal
• baseball
• befall
• cabal
• catchall
• cecal
• centrale

Kids Definition

snowball

1 of 2 noun

snow·​ball ˈsnō-ˌbȯl 

1

: a round mass of snow pressed or rolled together

2

: a viburnum widely grown for its ball-shaped clusters of white flowers

called also snowball bush

snowball

2 of 2 verb

1

: to throw snowballs at

2

: to increase or expand at a rapidly accelerating rate

problems snowball when early trouble signs are ignored