• (British) IPA: /ˈveɪpə/
  • (America) IPA: /ˈveɪpɚ/


  1. Cloudy diffused matter such as mist, steam or fumes suspended in the air.
  2. The gaseous state of a substance that is normally a solid or liquid.
  3. (obsolete) Wind; flatulence.
  4. Something unsubstantial, fleeting, or transitory; unreal fancy; vain imagination; idle talk; boasting.
    • 1611, The Holy Bible, […] (King James Version), imprinted at London: By Robert Barker, […], OCLC 964384981 ↗, James 4:14 ↗:
      For what is your life? It is even a vapour, that appeareth for a little time, and then vanisheth away.
  5. (archaic, in the plural) Hypochondria; melancholy; the blues; hysteria, or other nervous disorder.
    • Jan 13, 1732, John Arbuthnot, letter to Jonathan Swift
      He talks me into a fit of vapours twice or thrice a week
  6. (dated) Any medicinal agent designed for administration in the form of inhaled vapour.

vapour (vapours, present participle vapouring; past and past participle vapoured)

  1. (intransitive) To become vapour; to be emitted or circulated as vapour.
  2. (transitive) To turn into vapour.
    to vapour away a heated fluid
    • 1617, Ben Jonson, Lovers Made Men
      He'd […] laugh to see one throw his heart away, / Another, sighing, vapour forth his soul.
  3. (intransitive) To use insubstantial language; to boast or bluster.
    • 1888, Rudyard Kipling, ‘The Bisara of Pooree’, Plain Tales from the Hills, Folio Society 2005, p. 172:
      He vapoured, and fretted, and fumed, and trotted up and down, and tried to make himself pleasing in Miss Hollis's big, quiet, grey eyes, and failed.
    • 1904, Saki, ‘Reginald's Christmas Revel’, Reginald:
      then the Major gave us a graphic account of a struggle he had with a wounded bear. I privately wished that the bears would win sometimes on these occasions; at least they wouldn't go vapouring about it afterwards.
    • 1978, Lawrence Durrell, Livia, Faber & Faber 1992 (Avignon Quintet), p. 513:
      He felt he would start vapouring with devotion if this went on, so he bruptly took his leave with a cold expression on his face which dismayed her for she thought that it was due to distain for her artistic opinions.
  4. To emit vapour or fumes.
    • 1626, Francis Bacon, Sylva Sylvarum, Or, A Naturall Historie: In Ten Centuries
      Running waters vapour not so much as standing waters.
  5. (transitive) To give (someone) the vapours; to depress, to bore.
    • 1782, Frances Burney, Cecilia,
      “I only mean,” cried she, giddily, “that he might have some place a little more pleasant to live in, for really that old moat and draw-bridge are enough to vapour him to death […].”
  • Russian: испаря́ться
  • Russian: испаря́ть

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