1. efficient - Noun
2. efficient - Adjective
3. efficient - Adjective Satellite
Causing effects; producing results; that makes the effect to be what it is; actively operative; not inactive, slack, or incapable; characterized by energetic and useful activity; as, an efficient officer, power.
An efficient cause; a prime mover.
Source: Webster's dictionarypeople who will do nothing unless they get something out of it for themselves are often highly effective persons... Source: Internet
effective personnel Source: Internet
an efficient secretary Source: Internet
the efficient cause of the revolution Source: Internet
an efficient production manager Source: Internet
efficient engines save gas Source: Internet