She confined herself, or tried to confine herself, to the simple, indubitable family misery which must envelop all, if it were indeed a matter of certified guilt and public exposure.
As to anxiety for any alarm that her absence in such weather might occasion at home, she had nothing to suffer on that score; for as her being out was known only to her two aunts, she was perfectly aware that none would be felt, and that in whatever cottage aunt Norris might chuse to establish her during the rain, her being in such cottage would be indubitable to aunt Bertram.
…own hopes and his own observations, still feeling a right, by all his knowledge of human nature, to expect to see the effect of the loss of power and consequence on his niece’s spirits, and the past attentions of the lover producing a craving for their return; and he was soon afterwards able to account for his not yet completely and indubitably seeing all this, by the prospect of another visitor, whose approach he could allow to be quite enough to support the spirits he was watching.
There are no more uses of "indubitable" in the book.
Show samples from other sources
He could recognize in no one but himself an indubitable right to love her.