constrains

Puts boundaries on

Constrains means limits, restricts, or holds back.

Rules constrain behavior; budgets constrain spending.

The treaty constrains both nations from developing nuclear weapons.

Physical constraints work similarly: a tight space constrains movement.

The word often implies external forces preventing someone from acting freely: She felt constrained by her family's expectations.

restriction

limits

Imposed maximum points

curbs · restrains · controls · regulates · inhibits · impedes · hinders · hampers · curtails · checks

physical

tightens

Makes less loose

compresses · cinches · clamps · grips · pinches · contracts · narrows · stiffens · tensions · rigidity

obligation

compels

Forces into action

pressures · coerces · necessitates · binds · mandates · dictates · demands · imposes · enforces · commits

design

parameters

Defined boundaries or constraints

boundaries · tolerances · frameworks · budgets · deadlines · scope · trade-offs · optimization · feasibility · criteria

Opposites
restriction vs. freedom

constrainsfrees

Removes from captivity

liberates · releases · unshackles · emancipates · unbinds

inhibition vs. facilitation

constrainsenables

Makes something possible

encourages · facilitates · empowers · allows · permits

tightening vs. loosening

constrainsloosens

Decreases tightness or tension

relaxes · eases · slackens · expands · widens

Phrases
Family

constraint, constrain, constrained, unconstrained, constraints, constraining

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G