<p><strong>Noun</strong></p><ul><li>A cardinal point of the compass lying directly opposite north.</li><li>The direction in which this point lies.</li><li>(usually initial capital letter) A region or territory situated in this direction.</li><li>The South, the general area south of Pennsylvania and the Ohio River and east of the Mississippi, consisting mainly of those states that formed the Confederacy.</li></ul><p><strong>Adjective</strong></p><ul><li>Lying toward or situated in the south; directed or proceeding toward the south.</li><li>Coming from the south, as a wind.</li></ul><p><strong>Adverb</strong></p><ul><li>To, toward, or in the south.</li><li>Informal: Into a state of serious decline, loss, or the like: Sales went south during the recession.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) To turn or move in a southerly direction.</li><li>Astronomy: To cross the meridian.</li></ul>