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tr.v. con·strained, con·strain·ing, con·strains
a. To keep within certain limits; confine or limit: "Legislators ... used the power of the purse to constrain the size of the military" (Julian E. Zelizer).
b. To inhibit or restrain; hold back: "She noticed her mother blushing and acting somewhat constrained in her conversation with the grandmother" (David Huddle).
2. To compel by physical, moral, or circumstantial force; oblige: felt constrained to object to his behavior.
3. To produce in a forced or inhibited manner: "This smile seemed to touch something off in her ... and playfully she constrained her own roguish smile" (Naeem Murr).

[Middle English constreinen, from Old French constraindre, constraign-, from Latin cōnstringere, to restrain, compress : com-, com- + stringere, to bind, press together; see streig- in Indo-European roots.]

con·strain′a·ble adj.
con·strain′ed·ly (-strā′nĭd-lē) adv.
con·strain′er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.constraining - restricting the scope or freedom of action
restrictive - serving to restrict; "teenagers eager to escape restrictive home environments"
References in classic literature ?
And, as he drew towards the close, a spirit as of prophecy had come upon him, constraining him to its purpose as mightily as the old prophets of Israel were constrained, only with this difference, that, whereas the Jewish seers had denounced judgments and ruin on their country, it was his mission to foretell a high and glorious destiny for the newly gathered people of the Lord.
Massive muscles of mastication that were present before this myosin-gene mutation occurred could have been constraining brain size by limiting the expansion of [cranial] plates in the developing skull," says University of Pennsylvania School of Medicine anatomist Nancy Minugh-Purvis, a coauthor of the new study.
While the Constitution provides a clear and very powerful reason for constraining our current Pandora's box of congressional delegation, there is another very practical reason.
An examination of the salient domestic dilemmas in Jordan and the impact of transnational regional pressures upon the Jordanian domestic arena reveals the most prominent factors constraining and shaping the regime's domestic and external policies.
Thus, the damping material is sandwiched between the structure to be damped and the constraining layer.
The ultra-thin materials are made by constraining viscoelastic pressure sensitive adhesives between metal foils.
In considering disability management, when the forces promoting effective disability management outweigh the forces constraining disability management, the resulting equilibrium is expressed as successful return to work or job maintenance by the disabled workers.
By constraining the user to correctly apply design rules the tool ensures design correctness and thus that the generated code will be standards compliant, efficient and implementable.

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