Antonym: inefficient. Similar words: efficiency, sufficient, scientific, efficacy, official, officially, officious, ancient. Meaning: [-nt] adj. 1. being effective without wasting time or effort or expense 2. able to accomplish a purpose; functioning effectively.
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(31) Lighting is now more energy efficient .
(32) I've been looking out for an efficient teaching method.
(33) It's a more efficient system and it's cheaper too.
(34) He's efficient at his job.
(35) The metro is efficient and spotlessly clean.
(36) The heating system has recently been modified to make it more efficient.
(37) Gas is a very efficient fuel. And what's more, it's clean.
(38) This is currently the most efficient way to transmit certain types of data like electronic mail.
(39) The creation of an efficient and sustainable transport system is critical to the long-term future of London. Sentencedict.com
(40) The company has made a valiant effort/attempt in the last two years to make itself more efficient.
(41) Taking risks is the only way employees can provide effective and efficient customer service.
(42) Alone of the great apes, the gorilla is not very efficient at using tools.
(43) These people are very efficient, very organized and excellent time managers.
(44) For efficient fuel consumption a speed of 60 mph is about the optimum.
(45) We need to get an assistant who's capable and efficient.
(46) They had welded a bunch of untrained recruits into an efficient fighting force.
(47) She looks efficient and as cool as a cucumber .
(48) Their equipment was not as efficient at finding gold as today's machinery.
(49) Recent medical discoveries are already pointing the way to more efficient vaccines.
(50) We'll have to be ruthless if we want to make this company more efficient.
(51) Our new system will allow for more efficient use of resources.
(52) Some of the most efficient refrigerators consume 70 percent less electricity than traditional models.
(53) Gas-fired power stations will substitute for less efficient coal-fired equipment.
(54) By investing in efficient plant it could generate lots of valuable carbon credits to sell to wealthier, more wasteful nations.
(55) We need someone really efficient who can organize the office and make it run smoothly.
(56) Our staff combine efficient service with a personal touch .
(57) The new model is quieter, needs less servicing and is more fuel efficient.
(58) This new copy machine is more efficient than the old one.
(59) An efficient transport system is vital to the smooth running of a country's economy.
(60) Firstly, they are not efficient, and secondly, they are expensive to make.
More similar words: efficiency, sufficient, scientific, efficacy, official, officially, officious, ancient, scientist, office, officer, science, head office, difficult, deficit, artificial, diffident, client, lenient, patient, nutrient, enticing, transient, recipient, ingredient, orientation, identification, entertainment, sentiment, effort.