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adjective (1)

vent·​less ˈvent-ləs How to pronounce ventless (audio)
: not having a vent for the escape or release of a gas, liquid, etc.
You'll get the heat with a ventless fireplace, but with it you won't get the crackling, aromatic appeal of burning wood.Katheryn Krotzer Laborde
Last April, Bellwether Coffee announced their new ventless coffee roaster designed to help cafes and grocery stores roast in-store without having to install complex ventilation systems.Garrett Oden


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adjective (2)

of a garment
: not having a vent or slit
ventless double-breasted suits …Ralph DiGennaro
The padded shoulders, ventless back and slight suppression in the torso that are so prevalent in Italian and French tailoring …Diane Sustendal

Example Sentences

Recent Examples on the Web
Other highlights include ventless design and an adjustable thermostat with a remote control. Rachel Klein, Popular Mechanics, 16 Feb. 2023 Unlike many ethanol tabletop fires, this portable fire pit can be used with multiple alcohol fuels for a clean, ventless fire; the brand recommends bioethanol fuel, isopropyl, or rubbing alcohol. Nicol Natale, Peoplemag, 9 Sep. 2022 The ventless nature of heat-pump dryers is one of their main selling points: There is no need to cut into the exterior of the building for a vent pipe. Washington Post, 21 June 2021 Anchoring the space is a ventless fireplace with a large, vertical overmantel, which Gray's husband covered in a plaster finish that gives a rich patina—and makes the TV less noticeable. Hadley Keller, House Beautiful, 25 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ventless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

Adjective (1)

1603, in the meaning defined above

Adjective (2)

1902, in the meaning defined above

Time Traveler
The first known use of ventless was in 1603

Dictionary Entries Near ventless

Cite this Entry

“Ventless.” Dictionary, Merriam-Webster, Accessed 20 Mar. 2023.

Last Updated: - Updated example sentences
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