li ‧ bi ‧ do /lɪˈbiːdəʊ $ -doʊ/ BrE AmE noun ( plural libidos ) [uncountable and countable]
[ Date: 1900-2000 ; Language: Latin ; Origin: 'desire' , from libere 'to please' ]
technical someone’s desire to have sex SYN sex drive
—libidinous /lɪˈbɪdɪnəs/ adjective