Meaning of VAPOR in English

I. ˈvāpə(r) noun

( -s )

Usage: see -or

Etymology: Middle English vapour, from Middle French vapeur, from Latin vapor steam, vapor — more at covet

1. : diffused matter (as smoke, fog, mist, steam, or an exhalation) suspended floating in the air and impairing its transparency

cold motors turning over and the vapor from the exhausts steaming — R.H.Newman


a. : a substance in the gaseous state as distinguished from the liquid or solid state : a gasified liquid or solid : a gaseous substance that is at a temperature below its critical temperature and therefore liquefiable by pressure alone

b. : a substance (as gasoline, alcohol, mercury, or benzoin) vaporized for industrial, thereapeutic, or military uses ; also : a mixture (as in an internal-combustion engine) of such a vapor with air


a. archaic : something unsubstantial or transitory

beyond the vapors of her sleep she would hear a night-passer, … a car on the road — Elizabeth M. Roberts

b. : a foolish or fanciful notion : a fantastic idea

his realities may seem most impalpable vapors — G.W.Brace

what amazing vapors a lonely man may get into his head — H.G.Wells

4. vapors plural

a. archaic : exhalations of bodily organs (as the stomach) held to affect the physical or mental condition

b. : a depressed or hysterical nervous condition formerly held to be caused by bodily exhalations

neurotic women subject to the vapors — Lois & Don Thorburn

had a fit of the vapors, shortly after breakfast — James Reynolds

5. : a medicinal agent designed for administration in the form of inhaled vapor

II. verb

( -ed/-ing/-s )

Etymology: Middle English vapouren, from vapour vapor

transitive verb

1. : to send in or as if in vapor : cause to evaporate : reduce to vapor

vapor away a heated fluid


a. : to assert or boast loudly or foolishly : utter in high-flown language

b. archaic : to overcome by highflown or bombastic language : bully

3. archaic : to affect with the vapors : depress , bore

intransitive verb


a. : to rise in vapor : pass off as vapor : evaporate

could see his breath and my own vaporing … in the freezing air — H.E.Bates

b. : to emit vapor : fume , steam

running waters vapor not so much as standing waters — Francis Bacon

2. : to indulge in bragging, blustering, or idle talk : speak or write in a pompous or inflated style

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.