froth (frɔθ, frɒθ) n. 1. an aggregation of bubbles, as on an agitated liquid or at the mouth of a hard-driven horse; foam. 2. a foam of saliva or fluid resulting from disease. 3. something unsubstantial, trivial, or evanescent: The play was a bit of froth.

If you refer to an activity or object as froth, you disapprove of it because it appears exciting or attractive, but has very little real value or importance.

/ frɔθ / Add to word list a mass of small bubbles, esp. on the surface of a liquid (Definition of froth from the Cambridge Academic Content Dictionary © Cambridge University Press)

Froth-Pak™ Foam System is the all-in-one, self-contained, disposable kit for professional contractors to insulate walls and cavities and seal gaps and penetrations quickly and efficiently.

Definition of froth noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

froth (third-person singular simple present froths, present participle frothing, simple past and past participle frothed) (transitive) To create froth in (a liquid).

froth (frôth, froth), n. an aggregation of bubbles, as on an agitated liquid or at the mouth of a hard-driven horse; foam; spume. Pathology a foam of saliva or fluid resulting from disease. something unsubstantial, trivial, or evanescent: The play was a charming bit of froth. v.t. to cover with froth: giant waves frothing the sand.

Froth-Pak Insulation and Sealant Foam System is a Class-A Fire-Rated, 2-component, quick-cure polyurethane foam that effectively fills cavities, penetrations, and cracks in rim joists, roof-wall junctures, and around pipes and ducts up to 2 inches thick.