To this speech Bingley made no answer; but his sisters gave it their hearty assent, and indulged their mirth for some time at the expense of their dear friend’s vulgar relations.
Darcy was not of a disposition in which happiness overflows in mirth; and Elizabeth, agitated and confused, rather knew that she was happy than felt herself to be so; for, besides the immediate embarrassment, there were other evils before her.
There are no more uses of "mirth" in the book.
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It was an evening of many stories and great mirth.
He felt no mirth or humor and wondered if there’d ever be a time again when he would.