The definition of a constraint is something that imposes a limit or restriction or that prevents something from occurring.
(noun)An example of a constraint is the fact that there are only so many hours in a day to accomplish things.
See constraint in Webster's New World College Dictionary
noun
Origin: ME constreinte < OFr: see constrain
See constraint in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English constreinte
Origin: , from Old French
Origin: , from
Origin: feminine past participle of constraindre, to constrain; see constrain
.Learn more about constraint