1
2
: placed under legal or moral restraint or obligation : obliged
duty-bound
3
of a book
: secured to the covers by cords, tapes, or glue
leather-bound
4
: determined, resolved
was bound and determined to have his way
5
: held in chemical or physical combination
6
: made costive (see costive sense 1a) : constipated
7
: always occurring in combination with another linguistic form
un- in unknown and -er in speaker are bound forms
compare free entry 1 sense 11d
bound
2 of 7past tense and past participle of bind
plural bounds
bounded; bounding; bounds
1
: to move by leaping
deer bounding across a field
She bounded down the stairs.
plural bounds
1
a
: a limiting line : boundary
—usually used in plural
The ball landed out of bounds.
b
: something that limits or restrains
beyond the bounds of decency
police officers overstepping their bound
2
3
mathematics
: a number greater than or equal to every number in a set (such as the range of a function)
also
: a number less than or equal to every number in a set
bounded; bounding; bounds
1
2
: to set limits to : confine
art … is always greater than the rules with which we may attempt to bound it—C. S. Kilby
3
: to name the boundaries of
Students were asked to bound their state.
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Merriam-Webster unabridged
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