ris ‧ i ‧ ble /ˈrɪzəb ə l, ˈrɪzɪb ə l/ BrE AmE adjective formal
[ Date: 1500-1600 ; Language: Late Latin ; Origin: risibilis , from Latin ridere 'to laugh' ]
something that is risible is so stupid that it deserves to be laughed at SYN ridiculous :
a risible suggestion
—risibility /ˌrɪzəˈbɪləti, ˌrɪzɪˈbɪləti/ noun [uncountable]