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Definition of vapor

vapor

/ˈveɪ.pɚ/
(UK: vapour)
va · por

Adverb:vaporously
•
Plural:vapors
•
Adjective:vaporous
•
Past Simple:vapored
•
Past Participle:vapored
•
Present Participle:vaporing
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vapor Lexical Profile

vapor Game Scores & Validity

• noun

1

A substance in a gaseous state, especially one that is normally a liquid or solid at room temperature.

Example

"When water boils, it rapidly transforms into water vapor."


2

A visible mass of fine liquid or solid particles, such as fog, mist, or smoke, suspended in the air.

Example

"A thick vapor rose from the damp forest floor as the sun began to warm the earth."

Synonyms
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• verb

1

To change or cause to change into a gaseous state.

Example

"The morning sun quickly vapored the dew from the grass."


2

To emit or rise in the form of mist or gas.

Example

"The hot springs vapored gently into the cold winter air."

Synonyms
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Word Nuance & Usage

"Vapor" is the standard spelling in American English, while "vapour" is used in British and Commonwealth English.

• Rhymes for vapor

Word Origin & Etymology

From Middle English 'vapour', borrowed from Anglo-Norman and Old French 'vapour', derived from Latin 'vapor' meaning 'steam, heat, or exhalation'.

Cite this Entry


Wordmom. (2026). Definition of Vapor. In Wordmom Dictionary. Retrieved Oct 13, 2026, from https://wordmom.com/dictionary/vapor
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