ex ‧ pe ‧ di ‧ en ‧ cy /ɪkˈspiːdiənsi/ BrE AmE ( also ex‧pe‧di‧ence /-diəns/) noun ( plural expediencies ) [uncountable and countable]
action that is quickest or most effective in a particular situation, even if it is morally wrong:
the ethics of political expediency