He did pause, with a moment’s irresolution, before he shut the door; and he did look cautiously behind it first, as if he half expected to be terrified with the sight of Marley’s pigtail sticking out into the hall.
There are no more uses of "irresolute" in the book.
Show samples from other sources
When I came to you last week and found you alone, I came determined to know the truth; though irresolute what to do when it WAS known.
Austen, Jane -- Sense and Sensibility
He was near the door now, barely two feet away from me where I stood at the threshold, irresolute, not knowing whether to forge on toward my room or to turn and flee.