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Sense: 1-2, 4-5
Date: 1300-1400
Language: Old French
Origin: bodne, from Medieval Latin bodina
Sense: 3, 6
Date: 1500-1600
Language: Old French
Origin: bond, from bondir; BOUND32

bound

4 noun
     
bound4
1

bounds

[plural]
a) the limits of what is possible or acceptable
within the bounds of something
We are here to make sure that the police operate within the bounds of the law.
be/go beyond the bounds of credibility/reason/decency etc
The humor in the movie sometimes goes beyond the bounds of good taste.
be within/beyond the bounds of possibility (=be possible/not possible)
It was not beyond the bounds of possibility that they could meet again.
b) old-fashioned the edges of a town, city etc
2

out of bounds

if a place is out of bounds, you are not allowed to go there [= off-limits American English]
out of bounds to/for
The path by the railway line is officially out of bounds to both cyclists and walkers.
3

by leaps and bounds/in leaps and bounds

British English if someone or something increases, develops etc by leaps and bounds, they increase etc very quickly:
Julie's reading is improving in leaps and bounds.
4

know no bounds

formal if someone's honesty, kindness etc knows no bounds, they are extremely honest etc
5

in bounds/out of bounds

DS inside or outside the legal playing area in a sport such as American football or basketball
6 [countable] a long or high jump made with a lot of energy

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