匹敵【ひってき】
to be a match for, to rival, to equal, to compare with, to be equivalent to
敵対【てきたい】
hostility, antagonism, opposition
素敵【すてき】
lovely, wonderful, nice, great, fantastic, superb, cool
強敵【きょうてき】
formidable enemy, strong enemy, tough enemy
敵意【てきい】
hostility, animosity, enmity
宿敵【しゅくてき】
old enemy, longtime enemy, arch-enemy, traditional rival, longstanding foe
不敵【ふてき】
daring, fearless, intrepid, bold, tough