<p><strong>Adjective</strong></p><ul><li>other than the persons or things mentioned or implied: What else could I have done?</li><li>in addition to the persons or things mentioned or implied: Who else was there?</li><li>other or in addition (used in the possessive following an indefinite pronoun): someone else's money.</li></ul><p><strong>Adverb</strong></p><ul><li>if not (usually preceded by or): It's a macaw, or else I don't know birds.</li><li>in some other way; otherwise: How else could I have acted?</li><li>at some other place or time: Where else might I find this book?</li></ul>