The new drug proved really efficacious in the relief of pain.
even if heard only once it can be efficacious
Luckily, the treatment was only ineffective instead of harmful.
A plethora of ineffective education programs made the president unpopular amongst fiscal conservatives.
Five self-help books later, Sergey still had a terribly ineffective approach to management.
It began to dawn on me that, to oppose political and social chaos, cultured means would be ineffective.
English word "effective"(ineffective) occurs in sets:postive negative adjective
3. successful or achieving the result that you want
English word "effective"(successful or achieving the result that you want) occurs in sets:Cambridge Objective Advanced - Unit 4
The medicine took effect.
CO₂ has a lot to do with the so-called greenhouse effect.
The Doppler effect is also observed with light and with radiant energy in general.
This sort of structure is called a double negative, but in effect it shows affirmation.
A scientist had to know how to ask the correct question and to state it so clearly that the answer would be, in effect, a definite yes or no, not "maybe".
Penis enlargement supplements, as sold on sites and in magazines, have essentially no effect.
They said something to the effect of ‘I’m going in the same direction so, I’ll call a taxi and then why don’t you ride with me?’
In music or speaking, a pause is frequently used for dramatic effect.
In order to live happily and healthily with parakeets or parrots, you should understand the science of animal behavior for domesticated birds, and consider the emotional effect of eventually losing them.
Everyone loves to hear praise, but over-praise has the opposite effect of sounding insincere.
Carpets have the effect of a dust pocket, with merit of sucking up dust and stopping it flying around, but you can say that effect backfires.
The answer lies in the effect of stress on two paricular parts of the brain
David’s parents were doctors and they had been studying the effects of the operation on the brain for years.
I wonder what effect technical advances such as the Internet, mobile phones and digitalization technology have on the people's awareness, actions and interest in politics.
What? Pharamp asked. "Nothing," Sysko lied, "we were talking about the effect of Confucianism on modern Chinese socialism."
5. the right solution for a particular situation
He insists on things being done in the most efficient way and he usually does them that way himself.
The English language is undoubtedly the easiest and at the same time the most efficient means of international communication.
Some of my colleagues think I spend too long with patients, and that I'm not efficient.
Back in my days, cars weren't so efficient. This coffee machine is quite efficient
Because machines could be made progressively more and more efficient, Western man came to believe that men and societies would automatically register a corresponding moral and spiritual improvement.
Efficient machinery replaced manual labor.
An efficient FBI agent does not make any bones about carrying out his duties.
The city's transport system is one of the most efficient in Europe. We need someone really efficient who can organize the office and make it run smoothly. She runs the business very efficiently.
Good customer service has to deal with customer's problems in an efficient way.
The new refrigerator is more energy-efficient. He is a very efficient worker.
1. In addition, manufacturers must introduce an efficient monitoring system.
fluorescent lamps are efficient at converting electricity into light
Lack of originality, everywhere, all over the world, from time immemorial, has always been considered the foremost quality and the recommendation of the active, efficient and practical man...