<p><strong>Adjective</strong></p><ul><li>Erect or vertical, as in position or posture.</li><li>Synonyms: vertical, perpendicular, plumb</li><li>Antonyms: horizontal, recumbent</li><li>Raised or directed vertically or upward.</li><li>Adhering to rectitude; righteous, honest, or just: an upright person.</li><li>Synonyms: honorable</li><li>Being in accord with what is right: upright dealings.</li></ul><p><strong>Noun</strong></p><ul><li>The state of being upright or vertical.</li><li>Something standing erect or vertical, as a piece of timber.</li><li>Synonyms: column, pile, pillar, prop, pole</li><li>An upright piano.</li><li>Usually uprights.</li><li>Chiefly Football: the goalposts.</li></ul><p><strong>Adverb</strong></p><ul><li>In an upright position or direction; vertically.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) To make upright.</li></ul>