只ならない
1
adjective (keiyoushi)
unusual;serious
See also:
徒ならぬ (ただならぬ)
2
adjective (keiyoushi)
incomparable
さすがは、王子様ですわね。きっとただならない傑物の素質をお持ちなのですわ。
Isn't that just what you'd expect from the prince? He certainly has the character of a truly great man.