1 an act of pushing yourself suddenly up into the air using your legs [= leap]:
the best jump of the competition
a dancer famous for his impressive jumps
up
the best jump of the competition
a dancer famous for his impressive jumps2 an act of letting yourself drop from a place that is above the ground
down
4 a large or sudden change, especially one that improves things :
progress
especially British English5 if you wake, sit up etc with a jump, you do it very suddenly because you are surprised or shocked :
She woke with a jump, hearing a noise downstairs.
with a jump
British English
She woke with a jump, hearing a noise downstairs.6 to keep your advantage over the people you are competing with by always being the first to do or know something new
keep/stay etc a jump ahead (of somebody)
British English informal7 a fence, gate, or wall that a person or horse has to jump over in a race or competition :
something you jump over
DSHDS8 to gain an advantage, especially by doing something earlier than usual or earlier than someone else :
I want to get a jump on my Christmas shopping.
get a jump on somebody/something
American English informal
I want to get a jump on my Christmas shopping. ➔ high jump, long jump

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