- an aggregation of bubbles, as on an agitated liquid or at the mouth of a hard-driven horse; foam; spume.
- a foam of saliva or fluid resulting from disease.
- something unsubstantial, trivial, or evanescent: The play was a charming bit of froth.
verb (used with object)
- to cover with froth: giant waves frothing the sand.
- to cause to foam: to froth egg whites with a whisk.
- to emit like froth: a demagogue frothing his hate.
verb (used without object)
- to give out froth; foam: frothing at the mouth.
- a mass of small bubbles of air or a gas in a liquid, produced by fermentation, detergent, etc
- a mixture of saliva and air bubbles formed at the lips in certain diseases, such as rabies
- trivial ideas, talk, or entertainment
- to produce or cause to produce froth
- (tr) to give out in the form of froth
- (tr) to cover with froth
c.1300, from an unrecorded Old English word, or else from Old Norse froða “froth,” from Proto-Germanic *freuth-. Old English had afreoðan “to froth,” from the same root. The modern derived verb is from late 14c. Related: Frothed; frothing.