Unimpressible [adjective]

That was probably because they were old men, and unimpressible.

It must be confessed that “the deliverer” was not unimpressible nor unimpressed.

It was the blacksmith whom I found hard and unimpressible as his own anvil, dark as his forge, and as unpitying as its flames.

The ladies vied with each other to attack this unimpressible nature,—this profound isolation from external attraction.

It was at Kalgan, the northern gateway of China, that a mission station was begun amid a people hard and unimpressible.

"I do not see anything remarkable in him to give him weight," said the literal and unimpressible little Montolieu.

They were very marked, indeed, especially for him; he's such an unimpressible, never-show-anything man.

He had the muffled irregular voice, and alert yet unimpressible manner, peculiar to deafness.

But when the day is done, even the most unimpressible must yield to the dreamy influences of this tranquil starlight.

For what good, say these unimpressible and incredulous men, for what good was this miracle?