Synonyms for restrict

verb

1. To restrain

   curb, check, bind; see restrain 1.

2. To hold within limits

   limit, confine, delimit, circumscribe, contain, assign, contract, shorten, narrow, decrease, enclose, keep in bounds, demarcate, define, encircle, surround, shut in, hem in, box in, diminish, reduce, moderate, modify, temper, qualify, set limits, regulate, pin down; see also limit.

   Antonyms increase*, extend, expand. See syn. study at limit.limit.