Having abundance of mettle; ardent; full of fire.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "high-mettled" in a sentence
"But his raw talent is only part of the fascination because this son of Galileo is also vulnerable, high-mettled, at risk of burning through his reserves of energy before reaching halfway."
"The motherly, but coarse kindness of Dame Glendinning, and the doating fondness of her old domestic, seemed now the only kind feeling of which she formed the object; and she could not but reflect how little these were to be compared with the devoted attachment of a high-souled youth, whom the least glance of her eye could command, as the high-mettled steed is governed by the bridle of the rider."
"But I dare say that kind-hearted sovereign would not deem that an old woman did him, much injury if she leaned back in her arm-chair, just in such a twilight as this, and thought of the high-mettled men, whose sense of duty called them to arms against his grandfather; and how, in a cause which they deemed that of their rightful prince and country,"