1. (n.) The act of restricting, or state of being restricted; confinement within limits or bounds.

2. (n.) That which restricts; limitation; restraint; as, restrictions on trade.

allowance arrest arrestation arrestment ban bar barring blockade blockage blocking boundary bounds boycott brake caging cession check circumscription clogging closeness closing up closure concession condition confinement constraint constriction continence control cramp cramping crowdedness curb debarment debarring delay demarcation detainment detention discipline embargo exception exclusion exemption extenuating circumstances fixation foot-dragging grain of salt grant hair hairbreadth hairsbreadth hampering hedge hedging hindering hindrance holdback holdup impediment impoundment inadmissibility incapaciousness incommodiousness inhibition injunction interference interruption let limit limitation lockout lockup mental reservation moderation modification narrow gauge narrowing narrowness nearness negativism nonadmission nuisance value obstruction obstructionism occlusion omission opposition penning preclusion prescription prohibition proscription provision proviso qualification rejection relegation repression repudiation reservation resistance restrain restraint restrictedness retardation retardment salvo setback slenderness special case special treatment specialness specification squeeze stint stipulation straitness stranglehold strictness stricture suppression taboo tight squeeze tightness waiver