foamy

American  

[foh-mee] / ˈfoʊ mi /

adjective

foamier, foamiest

1. covered with or full of foam.

2. consisting of foam.

3. resembling foam.

4. pertaining to foam.

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foamy British  

/ ˈfəʊmɪ /

adjective

1. of, resembling, consisting of, or covered with foam

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Other Word Forms

• foamily adverb
• foaminess noun

Etymology

Origin of foamy

before 1000; Middle English fomy, Old English fāmig. See foam, -y ¹

Explanation

Something that's foamy is frothy, or full of tiny air bubbles. A cake recipe might instruct you to beat three eggs until they're foamy. A mug of root beer is foamy on top, and waves on a beach have a bubbly, foamy appearance too. A handful of shaving cream is foamy, and so is a dollop of whipped cream on top of your ice cream sundae. Foamy comes from the Old English faemig, "covered with foam," from fam, which means both "foam" and "the sea" in Old English.

Example Sentences

Served well, Guinness is an uncommonly handsome beer, with an instantly recognizable foamy beige head that sits atop the company’s harp-logoed “tulip” glass.

From The Wall Street Journal • Mar. 19, 2026

The shells were ground into a powder and used to make a foamy material.

From BBC • Dec. 7, 2023

The result: the Wham-O Foam Party, released in 2020, which comes with a bucket, nontoxic solution and the label’s promise of “up to 1.5 hours of foamy fun” with a bit of water added.

From Los Angeles Times • Aug. 30, 2023

Add the cumin, curry powder, fennel, sugar and cayenne, then cook, swirling, until aromatic and the butter is foamy, 30 to 45 seconds.

From Washington Times • Aug. 15, 2023

I tip the glass and let the foamy head flow off into the drain.

From "X: A Novel" by Ilyasah Shabazz