<p><strong>Adjective</strong></p><ul><li>of great weight; heavy; massive.</li><li>awkward or unwieldy: He carried a ponderous burden on his back.</li><li>dull and labored: a ponderous dissertation.</li><li>Synonyms: tedious, dreary, boring, heavy.</li><li>Antonyms: exciting, lively.</li></ul>