Efficient (Adjective)
Meaning 1
Being effective without wasting time or effort or expense; "an efficient production manager"; "efficient engines save gas".
Classification
All adjective clusters.
Antonyms
Related Words
Meaning 2
Able to accomplish a purpose; functioning effectively; "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".
Classification
All adjective clusters.