constraint
noun
[ kənˈstreɪnt ]
• a limitation or restriction.
• "time constraints make it impossible to do everything"
Similar:
restriction,
limitation,
curb,
check,
restraint,
control,
curtailment,
damper,
rein,
hindrance,
impediment,
hampering,
obstruction,
handicap,
Origin:
late Middle English (in the sense ‘coercion’): from Old French constreinte, feminine past participle of constraindre (see constrain).