Webster's Revised Unabridged Dictionary · 1913

Undeniable

Undeniable , adjective

1.
Not deniable; incapable of denial; palpably true; indisputable; obvious; as, undeniable evidence.
2.
Unobjectionable; unquestionably excellent; as, a person of undeniable connections. [Colloquial] — G. Eliot