<p><strong>Adjective</strong></p><ul><li>of the nature of or characterized by precipices: a precipitous wall of rock.</li><li>Antonyms: level, flat.</li><li>extremely or impassably steep: precipitous mountain trails.</li><li>Synonyms: perpendicular, sheer, abrupt.</li><li>Antonyms: level, flat.</li><li>precipitate.</li></ul>