/ Dictionary / Index L lookout: Meaning and Definition of Find definitions for: look•out Pronunciation: (look'out"), [key] — n. the act of looking out or keeping watch. a watch kept, as for something that may happen. a person or group keeping a watch. a station or place from which a watch is kept. an object of care or concern: That's not my lookout. tailpiece (def. 4). view; prospect; outlook: The business lookout is far from optimistic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lookout (Thesaurus) lookism Lookout Mountain Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language