<p><strong>Noun</strong></p><ul><li>a human being.</li><li>the condition of being subject to death.</li></ul><p><strong>Adjective</strong></p><ul><li>subject to death; having a transitory life: all mortal creatures.</li><li>of or relating to human beings as subject to death; human: this mortal life.</li><li>belonging to this world.</li><li>deadly or implacable; relentless: a mortal enemy.</li><li>severe, dire, grievous, or bitter: in mortal fear.</li><li>causing or liable to cause death; fatal: a mortal wound.</li><li>to the death: mortal combat.</li><li>of or relating to death: the mortal hour.</li><li>involving spiritual death (venial): mortal sin.</li><li>long and wearisome.</li><li>extreme; very great: in a mortal hurry.</li><li>conceivable; possible: of no mortal value to the owners.</li></ul>