Vapour Definition

vāpər
noun
Webster's New World

Cloudy diffused matter such as mist, steam or fumes suspended in the air.

Wiktionary

The gaseous state of a substance that is normally a solid or liquid.

Wiktionary
Something unsubstantial, fleeting, or transitory; unreal fancy; vain imagination; idle talk; boasting.
Wiktionary

(dated) Any medicinal agent designed for administration in the form of inhaled vapour.

Wiktionary
Synonyms:
verb
(intransitive) To become vapour; to be emitted or circulated as vapour.
Wiktionary
To turn into vapour.
To vapour away a heated fluid.
Wiktionary

(intransitive) To use insubstantial language; to boast or bluster.

Wiktionary
To emit vapour or fumes.
Wiktionary
(intransitive) To become vapour; to be emitted or circulated as vapour.
Wiktionary

Other Word Forms of Vapour

Noun

Singular:
vapour
Plural:
vapours

Origin of Vapour

  • From Old French, from Latin vapor (“steam, heat")

    From Wiktionary

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