efficient
Listen:Concise Oxford English Dictionary © 2008 Oxford University Press:
efficient/ɪˈfɪʃnt/
▶adjective working productively with minimum wasted effort or expense.
■ preventing the wasteful use of a resource: an energy-efficient heating system.
– derivatives
efficiently adverb.
efficiently adverb.
'efficient' also found in these Oxford entries:
businesslike
- clinical
- coefficient
- coordinate
- cost-efficient
- efficiency
- efficient cause
- expeditious
- fluidized bed
- hone
- lean
- machine
- rationalize
- slick
- slim
- streamline
- tune
- uneconomic
- workmanlike
- yeoman
