- 1[intransitive, transitive] froth (something) if a liquid froths, or if somebody/something froths it, a mass of small bubbles appears on the surface a cup of frothing coffee The water gushed and frothed.
- 2[intransitive] to produce a lot of saliva (= liquid in your mouth) The dog was frothing at the mouth. (figurative) He frothed at the mouth (= was very angry) when I asked for more money. Word Origin late Middle English: from Old Norse frotha, frauth.
BrE BrE//frɒθ//; NAmE NAmE//frɔːθ//Verb Forms present simple I / you / we / they froth
BrE BrE//frɒθ//; NAmE NAmE//frɔːθ//he / she / it froths
BrE BrE//frɒθs//; NAmE NAmE//frɔːθs//past simple frothed
BrE BrE//frɒθt//; NAmE NAmE//frɔːθt//past participle frothed
BrE BrE//frɒθt//; NAmE NAmE//frɔːθt//-ing form frothing
BrE BrE//ˈfrɒθɪŋ//; NAmE NAmE//ˈfrɔːθɪŋ//