unbeatableness

nonstandard uncountable

(nonstandard) The quality of being unbeatable, unbeatability.

Japanese Meaning

無敵である状態、誰にも打ち勝たれることのない性質

Her unbeatableness in debate made opponents rethink their strategies.

討論における彼女の無敵さは、対戦相手に戦略を見直させた。

Sense（1）

(nonstandard) The quality of being unbeatable, unbeatability.