1.Having the faculty or power of laughing; disposed to laugh. "Laughing is our busines,... it has been made the definition of man that he is risible."
2.Exciting laughter; worthy to be laughed at; amusing. "Risible absurdities." "I hope you find nothing risible in my complaisance."
3.Used in, or expressing, laughter; as, risible muscles. Note: Risible is sometimes used as a noun, in the plural, for the feeling of amusement and for the muscles and other organs used in laughing, collectively; as, unable to control one's risibles.
