<p><strong>Adjective</strong></p><ul><li>hardier, hardiest</li><li>capable of enduring fatigue, hardship, exposure, etc.; sturdy; strong: hardy explorers of northern Canada.</li><li>requiring great physical courage, vigor, or endurance: the hardiest sports.</li><li>bold or daring; courageous: hardy soldiers.</li><li>unduly bold; presumptuous; foolhardy.</li></ul><p><strong>Synonyms</strong></p><ul><li>sound</li><li>stout</li><li>hale</li><li>robust</li><li>vigorous</li><li>brave</li><li>resolute</li><li>intrepid</li></ul><p><strong>Antonyms</strong></p><ul><li>weak</li></ul>