This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
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n. The threat or use of force to prevent, restrict, or dictate the action or thought of others.

n. The state of being restricted or confined within prescribed bounds: soon tired of the constraint of military life.

n. One that restricts, limits, or regulates; a check: ignored all moral constraints in his pursuit of success.

n. Embarrassed reserve or reticence; awkwardness: "All constraint had vanished between the two, and they began to talk” ( Edith Wharton).

n. Something that constrains.

n. A condition that a solution to an optimization problem must satisfy.

n. The act of constraining, or the state of being constrained; that which compels to, or restrains from, action; compulsion; restraint; necessity.

n. Irresistible force, or its effect; any force or power, physical or moral, which compels to act or to forbear action; compulsion; coercion; restraint.

n. Specifically Repression of emotion, or of the expression of one's thoughts and feelings; hence, embarrassment: as, he spoke with constraint.

n. In analytical mechanics, the product of the mass of a particle into the square of that velocity which, compounded with the velocity the particle would have if free, would give the actual velocity.

n. Synonyms Violence, necessity, coercion. See force, n.

n. the state of being physically constrained

n. a device that retards something's motion

n. the act of constraining; the threat or use of force to control the thoughts or behavior of others

"With the shift to the constitutional stage of politics, however, this constraint is at least partially removed."

compulsion    constriction    principle of least constraint    degree of constraint    kinetic constraint   

restraint   

constraint satisfaction   

violence    necessity    compulsion    urgency    restraint    compel    confine    restrict   

Paint    Saint    acquaint    complaint    faint    feint    paint    quaint    repaint    restraint   

limitation    restriction    restraint    requirement    uncertainty    obstacle    criterion    obligation    parameter    challenge