constrained; constraining; constrains
Definition of constrain
1a
: to force by imposed stricture, restriction, or limitation
Teenagers often feel constrained by rules. an artist constrained by a client's requirements
b
: to restrict the motion of (a mechanical body) to a particular mode
4
: to force or produce in an unnatural or strained manner
a constrained smile
5
: to hold back by or as if by force
" … constraining my mind not to wander from the task."— Charles Dickens
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Merriam-Webster unabridged
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Time Traveler for constrain
The first known use of constrain was in the 14th century
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