How to use
intransitive and transitive
to become twice as big or twice as much, or to make something twice as big or twice as much
double in size/number/value etc
Within two years the company had doubled in size.
The church has doubled its membership in the last five years.
double the size/number/amount etc (of something)
A promise was given to double the number of police on duty.
to fold something in half
Take a sheet of paper and double it over.
to hit the ball far enough to get to second
in a game of baseball
double as somebody/something
to have a second use, job, or purpose as a particular thing
The school doubled as a hospital during the war.
to turn around and go back the way you have come
The driver doubled back and headed for Howard Bay.
double back on yourself
We kept getting lost and having to double back on ourselves.
to suddenly bend over at the waist because you are laughing so much or are in pain
Emilio doubled over, grabbing his leg.
be doubled up/over with laughter/pain etc
Both the girls were doubled up with laughter.
to share something, especially a bedroom
double up with
You'll have to double up with Susie while your aunt is here.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
Dictionary results for "double"
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