Synonyms of foam

foam 1 of 2

noun

ˈfōm 

as in surf

a light mass of fine bubbles formed in or on a liquid

a steaming cup of hot cocoa with a sprinkling of marshmallows drifting through the foam

Synonyms & Similar Words

• surf
• suds
• froth
• spray
• head
• mist
• lather
• spume
• mousse
• scum
• spindrift

foam

2 of 2

verb

as in to steam

to be excited or emotionally stirred up with anger

the old man foamed and raged when they told him he would have to give up the farm

Synonyms & Similar Words

• steam
• storm
• rage
• boil
• burn
• shake
• fume
• seethe
• see red
• agitate
• sizzle
• rave
• rankle
• bristle
• rant
• stew
• flare (up)
• inflame
• fulminate
• chafe
• fret
• smolder
• convulse
• roil

Example Sentences

Recent Examples of foam

Noun

While a filter holds the foam back, the gas passes through another channel into the eyedrop chamber, where the pressure exerted by it pushes the medication down a final microfluidic channel that leads directly into the corner of the patient's eye. — Ben Coxworth october 23, New Atlas, 23 Oct. 2026

Those businesses produce wildfire retardants, supply firefighting foam, and manufacture fire-detection and emergency-management systems. — Desiree Mathurin, Charlotte Observer, 23 Oct. 2026

Verb

Then use either a foaming coil cleaner or a mixture of warm water and dish soap on the coils, making sure to avoid contact with the electrical controls and fan motor. — Sheila Kim, The Spruce, 9 July 2026

Its foaming properties pull dust off your wheels and dissolve it, requiring a simple rinse afterward. — Bestreviews, Chicago Tribune, 16 June 2026