outlaw

ban, bar, enjoin, forbid, interdict, prohibit, proscribe

deter, discourage, dissuade

clamp down (on), crack down (on), crush, put down, quash, quell, repress, silence, snuff (out), squash, squelch, subdue, suppress

halt, preclude, prevent, stop

embargo, exclude, rule out, shut out

debar, deprive, disallow, reject, repudiate, veto

bridle, check, curb, inhibit, rein (in), restrain

block, hinder, impede, obstruct