A constraint is something that plays the part of a physical, social or financial restriction. It is a derived form of the intransitive verb form constrained.
Word: con·strain Pronunciation of constrain: k&n-'strAnFunction of constrain: transitive verbOrigin of constrain:
Middle English, from Middle French constraindre,
from Latin constringere
to constrict, constrain, from com- stringere
to draw tight -- more at STRAIN1 a
: to force by imposed stricture, restriction, or limitation b
: to restrict the motion of (a mechanical body) to a particular mode2 : COMPRESS
: to clasp tightly3
: to secure by or as if by bonds : CONFINE
; broadly : LIMIT4
: to force or produce in an unnatural or strained manner <a constrained
: to hold back by or as if by force <constraining
my mind not to wander from the task -- Charles Dickens>synonym
constrain v. t. To secure by bonds; to chain; to bond or confine; to hold tightly; to constringe.
constrain v. t. To bring into a narrow compass; to compress.
constrain v. t. To hold back by force; to restrain; to repress.
constrain v. t. To compel; to force; to necessitate; to oblige.
constrain v. t. To violate; to ravish.
constrain v. t. To produce in such a manner as to give an unnatural effect; as, a constrained voice.