1
general::
efficient
adverbs
extremely/highly efficient
• The factory is modern and highly efficient.
efficient + NOUN
an efficient way
• Email is an efficient way of contacting a large number of people.
an efficient method
• The railways used to provide a cheap efficient method of travel.
an efficient means
• The tram is a very efficient means of transport.
an efficient system
• We need a more efficient system for collecting money.
an efficient service
• We aim to provide our clients with an efficient and friendly service.
the efficient use of something
• We must work towards the more efficient use of all natural resources.
the efficient operation of something
• The law must protect investors without interfering with the efficient operation of the market.
NOUN + efficient
energy/fuel efficient
(= not wasting any fuel or energy )
• an energy efficient heating system
cost efficient
(= costing or spending as little as possible )
• The larger a firm becomes the more cost efficient it can become.
transnet.ir
2
general::
adj. VERBS appear, be, look, seem, sound | become | make sth ADV. extremely, highly, really, remarkably, very | fully, perfectly The procedure is not fully efficient: improvements could be made. We already have a perfectly efficient system?why change it? | increasingly | fairly, pretty, quite, reasonably, relatively | briskly, quietly The receptionist was briskly efficient. A quietly efficient manservant brought them coffee and brandy. | formidably, incredibly, superbly, supremely His secretary was formidably efficient: her minutes were works of art. | economically, mechanically, technically PREP. at Their equipment was not as efficient at finding gold as today's machinery. | in The heating system is very efficient in its use of of fuel.
Oxford Collocations Dictionary