The clerk having now again gone in to say that they are still there and Mr. Tulkinghorn being heard to return with some irascibility, "Let ’cause come in then!" they pass into the great room with the painted ceiling and find him standing before the fire.
There are no more uses of "irascible" in the book.
Show samples from other sources
She has an irascible nature at the best of times, but be especially careful to avoid her early in the morning.