To talk idly; to boast or vaunt; to brag.

To send off in vapor, or as if in vapor; as, to vapor
away a heated fluid.

An old name for hypochondria, or melancholy; the blues.

To emit vapor or fumes.

A medicinal agent designed for administration in the form of
inhaled vapor.

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

In a loose and popular sense, any visible diffused substance
floating in the atmosphere and impairing its transparency, as smoke,
fog, etc.

Any substance in the gaseous, or aeriform, state, the
condition of which is ordinarily that of a liquid or solid.

Wind; flatulence.

To pass off in fumes, or as a moist, floating substance,
whether visible or invisible, to steam; to be exhaled; to evaporate.