irresponsive

He saw the hints plainly enough, but had evidently made up his mind to be doggedly irresponsive.

"He told me this tale," Mrs. Sumfit continued, daring her irresponsive enemy to contradict her, with a threatening gaze.

Science too has been something of an irresponsive mistress since, though I've served her better than I served Marion.

Robert's eager soul meanwhile, for once irresponsive to Catherine's, was full of nothing but the Squire.

The nun turned upon him a pair of cold, steel-blue eyes, as calm and irresponsive as if he had brought her no tidings whatever.