The surgeon studied the risibles to understand why the patient's laughter sounded strained.

Even after hearing his elaborate explanation, we could only shake our heads at the risibleness of his excuses.

Her risible reaction to the prank made everyone in the room laugh.

He grinned risibly at the thought, unable to take the suggestion seriously.

The critics catalogued the film's risibilities, noting each moment that undermined its serious tone.

The risibility of his excuses made it hard to take him seriously.