Definition of efficient adjective from the Oxford Advanced American Dictionary

  

efficient

 adjective
adjective
NAmE//ɪˈfɪʃnt//
 
 
jump to other results
 doing something well and thoroughly with no waste of time, money, or energy an efficient worker efficient heating equipment the efficient use of energy We offer a fast, friendly and efficient service. As we get older, our bodies become less efficient at burning up calories. fuel-efficient cars (= that do not use much fuel) opposite inefficient
efficiently
 
jump to other results
 
adverb a very efficiently organized event
See the Oxford Advanced Learner's Dictionary entry: efficient