<p><strong>Noun</strong></p><ul><li>the act of looking out or keeping watch.</li><li>a watch kept, as for something that may happen.</li><li>a person or group keeping a watch.</li><li>Synonyms: guard, patrol, sentry, sentinel.</li><li>a station or place from which a watch is kept.</li><li>an object of care or concern: That's not my lookout.</li><li>tailpiece (def 4).</li><li>Chiefly British: view; prospect; outlook: The business lookout is far from optimistic.</li></ul>