Adeline gave a start, and looked keenly at her; but she went on quite imperviously.
"The Quality of Mercy"
W. D. Howells
But the latter proved an institution of dubious beneficence, because of its far from dubious animation; the said "animation" scorning blithely and imperviously accumulations of insect powder, reaching back into the dim past, left there and added to by a countless procession of tortured travellers.
"The Sign of the Spider"
Bertram Mitford
No faintest hesitation at ruining the reputation of Major Benjy as well crossed her mind; she gloried in it, for he had not only caused her to deceive herself about the early hours on alternate nights, but by his infamous willingness to back up Captain Puffin's bargain, he had shown himself imperviously waterproof to all chivalrous impulses.
"Miss Mapp"
Edward Frederic Benson