efficient

adjectives

being effective without wasting time or effort or expense
"an efficient production manager"; "efficient engines save gas"
efficient
is derived from
efficiency
antonym
inefficient
is similar to
exhibiting methodical and systematic characteristics that would be useful in business
businesslike
is similar to
productive relative to the cost
cost-effective, cost-efficient
is similar to
using the minimum of time or resources necessary for effectiveness
"an economic use of home heating oil"; "a modern economical heating system"; "an economical use of her time"
economic, economical
is similar to
marked by speed and efficiency
expeditious
is similar to
used of gasoline; having a high octane number
high-octane
is similar to
made efficient by stripping off nonessentials
"short streamlined meetings"; "a streamlined hiring process"
streamlined
see also
properly or sufficiently qualified or capable or efficient
"a competent typist"
competent
see also
producing or capable of producing an intended result or having a striking effect
"an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation"-LewisMumford; "effective teaching methods"; "effective steps toward peace"; "made an effective entrance"; "his complaint proved to be effectual in bringing action"; "an efficacious law"
effective, effectual, efficacious
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"
effective, efficient