froth

1 of 2

noun

ˈfrȯth 

plural froths ˈfrȯths  ˈfrȯt͟hz 

1

a

: bubbles formed in or on a liquid : foam

b

: a foamy slaver sometimes accompanying disease or exhaustion

2

: something resembling froth (as in being unsubstantial, worthless, or light and airy)

froth

2 of 2

verb

ˈfrȯth  ˈfrȯt͟h 

frothed; frothing; froths

intransitive verb

1

: to foam at the mouth

2

: to throw froth out or up

3

: to become covered with or as if with froth

whole groves froth with nodding blossoms

—Amy Lovejoy

transitive verb

1

: to cause to foam

2

: to cover with froth

3

: vent, voice

Synonyms

Noun

• foam
• head
• lather
• spume
• suds
• surf

Examples of froth in a Sentence

Noun

news shows full of froth

froth on the ocean waves

Verb

The water frothed as the waves broke along the shore.

Recent Examples on the Web

Noun

There are a number of historical sours, flips and fizzes that are shaken with egg whites to produce lightness, froth and foam. —John Hodgman, New York Times, 9 Jan. 2025

Then, in the relatively environmentally friendly process used at Mountain Pass, called froth flotation, a kind of chemical reagent called a surfactant is added to the slurry. —IEEE Spectrum, 27 Dec. 2024

Verb

The shaking motion froths the beverage and blends the drinks. —Bestreviews, Chicago Tribune, 4 Feb. 2025

Milk and milk alternatives are frothed with an automatic steaming wand, which results in some seriously velvety foam. —Jaina Grey, WIRED, 12 Jan. 2025

Word History

Etymology

Noun

Middle English, from Old Norse frotha; akin to Old English āfrēothan to froth

First Known Use

Noun

14th century, in the meaning defined at sense 1a

Verb

14th century, in the meaning defined at intransitive sense 1

Phrases Containing froth

• froth at the mouth

Kids Definition

froth

1 of 2 noun

ˈfrȯth 

plural froths

1

a

: bubbles formed in or on a liquid

b

: the foam produced by saliva in certain diseases or nervous excitement

2

: something of little value

frothily

ˈfrȯ-thə-lē

adverb

frothiness

-thē-nəs

noun

frothy

-thē

adjective

froth

2 of 2 verb

ˈfrȯth  ˈfrȯt͟h 

1

: to foam at the mouth

2

: to produce or form froth

Medical Definition

froth

1 of 2 noun

ˈfrȯth 

plural froths ˈfrȯths  ˈfrȯt͟hz 

: a foamy slaver sometimes accompanying disease or exhaustion

froth

2 of 2 transitive verb

ˈfrȯth  ˈfrȯt͟h 

: to foam at the mouth