restrict

Synonyms: bind bottle up bound chain check circumscribe come down on constrict contain contract cool down cramp curb decrease define delimit delimitate demarcate demark diminish encircle enclose hamper handicap hang up hem in hold back hold down impede inclose inhibit keep within bounds keep within limits moderate modify narrow pin down prelimit put away put on ice qualify reduce regulate restrain send up shorten shrink shut in surround temper tether tie

Antonyms: enlarge expand free let go release