<p><strong>Noun</strong></p><ul><li>a period or interval of time: to wait a long while; He arrived a short while ago.</li><li>Archaic. a particular time or occasion.</li></ul><p><strong>Conjunction</strong></p><ul><li>during or in the time that.</li><li>throughout the time that; as long as.</li><li>even though; although: While she appreciated the honor, she could not accept the position.</li><li>at the same time that (showing an analogous or corresponding action): The floor was strewn with books, while magazines covered the tables.</li></ul><p><strong>Preposition</strong></p><ul><li>Archaic. until.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) while, whiling.</li><li>to cause (time) to pass, especially in some easy or pleasant manner (usually followed by away).</li></ul>