Definition from macmillandictionary.com
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The restructuring was part of an effort to boost company profits.
Detectives are talking to other witnesses in an effort to corroborate her confession.
I’ve made an effort to drink less tea and coffee.
The drivers made no efforts to check their vehicles.
She was trembling violently, but with a determined effort of will she stopped.
The man died despite the doctors’ efforts to revive him.
a concerted effort by the nations of the world to protect our environment
The aim is to obtain maximum reward for minimum effort.
The sheer physical effort of shopping is a burden to most of us.
Writing a book requires a lot of time and effort.
Mary put a lot of effort into this project.
Nathan controlled his temper with an effort.
international relief efforts
His first effort in 1991 was a collection of short stories.
As smiles went it was a poor effort.