<p><strong>Adjective</strong></p><ul><li>existing in great plenty: Coal was plentiful, and therefore cheap, in that region.</li><li>yielding abundantly: a plentiful source of inspiration.</li><li>richly supplied, as with resources: an abundant land.</li></ul><p><strong>Synonyms</strong></p><ul><li>luxuriant</li><li>productive</li><li>bounteous</li><li>fruitful</li></ul><p><strong>Antonyms</strong></p><ul><li>scanty</li><li>sparse</li><li>sterile</li><li>fruitless</li></ul>