frothy

UK: /ˈfrɒθi/ US: (frô′thē, froth′ē)

Inflections of 'frothy' (adj):

frothier

adj comparative

frothiest

adj superlative

WordReference Random House Unabridged Dictionary of American English © 2025

froth•y  (frô′thē, froth′ē), adj., froth•i•er, froth•i•est. 

1. of, like, or having froth;
   foamy.
2. unsubstantial;
   trifling;
   shallow;
   empty.

• froth + -y¹ 1525–35

froth′i•ly, adv. 
froth′i•ness, n. 

WordReference Random House Learner's Dictionary of American English © 2025

froth /frɔθ, frɑθ/   n. [uncountable]

1. a mass of bubbles, such as on a liquid that has been shaken hard;
   foam.
2. Pathology a foam of saliva or fluid resulting from disease.
3. something trivial or unimportant;
   something not worth much:
   The play was a charming bit of froth.

v. [no object]

4. to give off froth:
   The stew was frothing.

Idioms

5. Pathology to froth at the mouth, [no object]
   • to give out froth;
     foam:
     The dog had rabies and frothed at the mouth.
   • to be extremely angry.

froth•y, adj., -i•er, -i•est. 

WordReference Random House Unabridged Dictionary of American English © 2025

froth  (frôth, froth), n. 

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

v.t. 

4. to cover with froth:
   giant waves frothing the sand.
5. to cause to foam:
   to froth egg whites with a whisk.
6. to emit like froth:
   a demagogue frothing his hate.

v.i. 

7. Pathology to give out froth;
   foam:
   frothing at the mouth.

• Old Norse frotha froth, scum
• Middle English frothe 1350–1400

froth′•er, n. 
Synonyms

• 3. triviality, frivolity, fluff, nonsense.