<p><strong>Adjective</strong></p><ul><li>strongly and stoutly built; sturdy and robust.</li><li>strong and brave; valiant: a stalwart knight.</li><li>firm, steadfast, or uncompromising: a stalwart supporter of the U.N.</li></ul><p><strong>Noun</strong></p><ul><li>a physically stalwart person.</li><li>a steadfast or uncompromising partisan: They counted on the party stalwarts for support in the off-year campaigns.</li></ul>