[frawth, froth]
See more synonyms for froth on
  1. an aggregation of bubbles, as on an agitated liquid or at the mouth of a hard-driven horse; foam; spume.
  2. a foam of saliva or fluid resulting from disease.
  3. something unsubstantial, trivial, or evanescent: The play was a charming bit of froth.
verb (used with object)
  1. to cover with froth: giant waves frothing the sand.
  2. to cause to foam: to froth egg whites with a whisk.
  3. to emit like froth: a demagogue frothing his hate.
verb (used without object)
  1. to give out froth; foam: frothing at the mouth.

Origin of froth

1350–1400; Middle English frothe < Old Norse frotha froth, scum
Related formsfroth·er, nounout·froth, verb (used with object)un·frothed, adjectiveun·froth·ing, adjective

Synonyms for froth

See more synonyms for on Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for frothing

Contemporary Examples of frothing

  • Monica Lewinsky’s ‘Vanity Fair’ article reluctantly plunges us straight back into the frothing world of ‘90s gossip.

  • The tabloids are frothing at the mouth just thinking about it.

    The Daily Beast logo
    Breakout Blondes

    Alison Prato

    May 26, 2009

  • So what transformed this solitary reader into the frothing demagogue of Pilibhit?

    The Daily Beast logo
    Gandhi Family Feud

    Shoma Chaudhury

    April 12, 2009

Historical Examples of frothing

  • From frothing lips he hurled blasphemies and insults at his tormentor.

    Captain Blood

    Rafael Sabatini

  • Ibrahim was frothing at the lips, his eyes were blood-injected.

    The Sea-Hawk

    Raphael Sabatini

  • As far as he could see the line of frothing white was unbroken.

  • Standing on the end of the spar, he was outboard; the frothing sea was under him.

  • If I meet him while I'm frothing like this, I'll kill him, even if it means the chair.

British Dictionary definitions for frothing


  1. a mass of small bubbles of air or a gas in a liquid, produced by fermentation, detergent, etc
  2. a mixture of saliva and air bubbles formed at the lips in certain diseases, such as rabies
  3. trivial ideas, talk, or entertainment
  1. to produce or cause to produce froth
  2. (tr) to give out in the form of froth
  3. (tr) to cover with froth
Derived Formsfrothy, adjectivefrothily, adverbfrothiness, noun

Word Origin for froth

C14: from Old Norse frotha or frauth; related to Old English āfrēothan to foam, Sanskrit prothati he snorts
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for frothing



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.

Online Etymology Dictionary, © 2010 Douglas Harper