ja ‧ ded /ˈdʒeɪdəd, ˈdʒeɪdɪd/ BrE AmE adjective
[ Date: 1600-1700 ; Origin: jade 'to make (a horse) tired with too much work' (17-19 centuries) , from jade 'worn-out horse' (14-21 centuries) ]
someone who is jaded is no longer interested in or excited by something, usually because they have experienced too much of it:
The concert should satisfy even the most jaded critic.