A ball of snow, usually one made in the hand and thrown for amusement in a snowball fight; also a larger ball of snow made by rolling a snowball around in snow that sticks to it and increases its diameter.

Of something with rapid growth, often uncontrolled. Compare snowball effect.

(intransitive) To rapidly grow out of proportion or control. / (intransitive) To play at throwing snowballs. / (transitive) To pelt with snowballs; to throw snowballs at.

present participle of snowball

simple past tense and past participle of snowball

plural of snowball

Third-person singular simple present indicative form of snowball

A surname transferred from the nickname.

plural of snowballer

One who makes or throws snowballs.