steam

1 of 2

noun

1
: a vapor arising from a heated substance
2
a
: the invisible vapor into which water is converted when heated to the boiling point
b
: the mist formed by the condensation on cooling of water vapor
3
a
: water vapor kept under pressure so as to supply energy for heating, cooking, or mechanical work
also : the power so generated
b
: active force : power, momentum
got there under his own steam
the project quickly gained/gathered steam
sales began to pick up steam
also : normal force
at full steam
c
: pent-up emotional tension
needed to let off a little steam
4
b
: travel by or a trip in a steamer

steam

2 of 2

verb

steamed; steaming; steams

transitive verb

1
: to give out as fumes : exhale
2
: to apply steam to
especially : to expose to the action of steam (as for softening or cooking)

intransitive verb

1
: to rise or pass off as vapor
2
: to give off steam or vapor
3
a
: to move or travel by the agency of steam
The ship steamed into port.
b
: to move or proceed with energy or force
steamed into the room shouting orders
4
: to be angry : boil
was steaming over the insult

Examples of steam in a Sentence

Noun Careful, the steam from the pot is hot. The boat runs on steam. He wiped the steam from the mirrors. He was afraid he would run out of steam before the end of the race. I was making good progress this morning, but now I'm starting to run out of steam. Verb a steaming bowl of soup She prefers to steam carrots rather than boil them. Their breath steamed the windows.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Like all Sierra Towers units, the dwelling comes with a fleet of amenities, including 24/7 security, valet parking, a fitness center, an outdoor swimming pool, and a steam room. Katie Schultz, Architectural Digest, 7 Nov. 2025 But the flight cancellations are raising the stakes in Congress as bipartisan talks to reopen the government gain steam after the Democrats swept the off-year elections. Phillip M. Bailey, USA Today, 7 Nov. 2025
Verb
Ferrara’s arrival in New York City and subsequent entry into the movie business is presented as something like a case of recidivism, a dive from suburban gentility into the cauldron of steaming garbage that was Fun City–era Manhattan. Nick Pinkerton, Harpers Magazine, 24 Oct. 2025 The clip then smash-cuts to a scene of Bruce as a child listening to his parents fight in the next room, and we’re meant to understand that the joy and power that steams off of the stage is a cure for the pain of childhood wounds. Sadie Sartini Garner, Pitchfork, 24 Oct. 2025 See All Example Sentences for steam

Word History

Etymology

Noun

Middle English stem, from Old English stēam; akin to Dutch stoom steam

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of steam was before the 12th century

Browse Nearby Words

Cite this Entry

“Steam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/steam. Accessed 8 Nov. 2025.

Kids Definition

steam

1 of 2 noun
1
a
: the invisible vapor into which water is changed when heated to the boiling point
b
: the mist formed when water vapor cools
2
: water vapor kept under pressure so as to supply energy for heating, cooking, or mechanical work
also : the power so generated
3
a
: driving force : power
arrived under their own steam
b
: built-up tension
let off a little steam

steam

2 of 2 verb
1
: to rise or pass off as vapor
2
: to give off steam or vapor
3
: to move or travel by or as if by the power of steam
steamed up the river
4
: to be angry : boil
was steaming over the insult
5
: to expose to the action of steam (as for softening or cooking)
steamed clams

More from Merriam-Webster on steam

Last Updated: - Updated example sentences
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