Cloudy diffused matter such as mist, steam or fumes suspended in the air.
The gaseous state of a substance that is normally a solid or liquid.
Something insubstantial, fleeting, or transitory; unreal fancy; vain imagination; idle talk; boasting.
Any medicinal agent designed for administration in the form of inhaled vapour.
(in the plural) Hypochondria; melancholy; the blues; hysteria, or other nervous disorder.
Wind; flatulence.
To become vapor; to be emitted or circulated as vapor.
To turn into vapor.
To emit vapor or fumes.
To use insubstantial language; to boast or bluster.
To give (someone) the vapors; to depress, to bore.