froth /ˈfɹɒθ/verb 5noun 4forms 4phrases 1 verb5 •To create froth in (a liquid).I like to froth my coffee for ten seconds exactly. •(of a liquid) To bubble.Colder and louder blew the wind, A gale from the Northeast, The snow fell hissing in the brine, And the billows frothed like yeast. — 1842 •To spit, vent, or eject, as froth.The Mufti reddens; mark that holy cheek. He frets within, froths treason at his mouth, And churns it thro’ his teeth […] — 1690 •(literally) To spew saliva as froth; (figuratively) to rage, vent one's anger.The clumsy suckling struck out with her still soft claws, opened her frothing mouth until her milk teeth shone. — 1958 •To cover with froth.A horse froths his chain. noun4 •Foam.Froth is a very important feature of many types of coffee. •Highly speculative investment.Efforts of this kind, spurred on to fever heat by tax incentives can only generate inflationary froth - not real hard investment. — 1966 •(figurative) Unimportant or insubstantial talk, events, or actions; drivel.Thousands of African children die each day: why do the newspapers continue to discuss unnecessary showbiz froth?The discussion at the conference was mostly froth and posturing. •The idle rich.I do not think that there were in the boxes or the lower part of the house a score of persons who were not identified, in one way or another, with this froth of New York society. — 1899 formsfrothed · frothing · frotheth · froths Phrases with froth froth upTo become frothy; to rise with a frothy surface or covered with something resembling froth.