an announcement or intimation of something impending; warning: a day's notice.

a note, placard, or the like conveying information or a warning: to post a notice about the fire laws.

information or warning of something, especially for wide attention: to give notice of one's departure.

a notification of the termination, at a specified time, of an agreement, as for renting or employment, given by one of the parties to the agreement: The sales manager suddenly gave notice and headed for Acapulco.

observation, perception, attention, or heed: a book worthy of notice.