ef·fi·cient 
/ɪˈfɪʃənt/ adjective
/ɪˈfɪʃənt/ adjective [more efficient; most efficient] : capable of producing desired results without wasting materials, time, or energy
▪ an efficient worker ▪ efficient machinery
▪ an efficient worker ▪ efficient machinery
— ef·fi·cient·ly adverb
▪ learning to work more efficiently
▪ learning to work more efficiently
