Empty; void; lacking meaningful content. / Showing a lack of thought or intelligence; vacant.

A man's personal male attendant, responsible for his clothes and appearance. / A hotel employee performing such duties for guests.

(transitive) To serve (someone) as a valet. / (transitive, chiefly UK, Ireland) To clean and service (a car), as a valet does. / (transitive, US) To leave (a car) with a valet to park it.

An unoccupied position or job. / An available room in a hotel; guest house, etc. / Empty space. / A blank mind, unoccupied with thought. / Lack of intelligence or understanding.

Not occupied; empty. / Showing no intelligence or interest.

(immunology) A substance given to stimulate the body's production of antibodies and provide immunity against a disease without causing the disease itself in the treatment, prepared from the agent that causes the disease (or a related, also effective, but safer disease), or a synthetic substitute.

(dated) A person who wanders from place to place; a nomad, a wanderer.

Wandering from place to place, particularly when without any settled employment or habitation. / Of or pertaining to a vagabond or vagrant, or a person fond of wandering.

(informal) Clipping of vacation. / (informal) Clipping of vacuum cleaner. / (informal) Clipping of vaccine.

To vacuum; to clean with a vacuum cleaner.