The term HUN OPPONENT can be solved by two crossword solutions: VISIGOTH (8 letters) and VISIGOTHS (9 letters). The Visigoths were a Germanic people who lived in the area of modern-day Poland, Hungary, and Romania during the 5th and 6th centuries. They were a major opponent of the Huns, a nomadic people from Central Asia who invaded Europe in the 4th century. The Visigoths fought against the Huns in several battles, eventually defeating them in 451 AD.