<p><strong>Noun</strong></p><ul><li>a lofty peak</li><li>the highest or culminating point, as of success, power, fame, etc.: the pinnacle of one's career</li><li>Synonyms: zenith, summit, peak, acme, apex</li><li>Antonyms: nadir</li><li>any pointed, towering part or formation, as of rock</li><li>Synonyms: needle</li><li>a relatively small, upright structure, commonly terminating in a gable, a pyramid, or a cone, rising above the roof or coping of a building, or capping a tower, buttress, or other projecting architectural member</li></ul><p><strong>Verb</strong></p><ul><li>pinnacled</li><li>pinnacling</li><li>to place on or as on a pinnacle</li><li>to form a pinnacle on; crown</li></ul>