usage: "Bismarck was constantly criticised by the more liberal newspapers, and he retaliated by passing an emergency decree that effectually muzzled the press"
Being effective without wasting time or effort or expense.
usage: "an efficient production manager"; "efficient engines save gas"
Able to accomplish a purpose; functioning effectively.
usage: "people who will do nothing unless they get something out of it for themselves are often highly effective persons...-G. B. Shaw; "effective personnel"; "an efficient secretary"; "the efficient cause of the revolution"