S: (v) restrict, trammel, limit, bound, confine, throttle (place limits on (extent or amount or access)) "restrict the use of this parking lot"; "limit the time you can spend with your friends"
S: (v) hamper, halter, cramp, strangle (prevent the progress or free movement of) "He was hampered in his efforts by the bad weather"; "the imperialist nation wanted to strangle the free trade between the two small countries"
S: (v) stiffen, tighten, tighten up, constrain (severely restrict in scope or extent) "tighten the rules"; "stiffen the regulations"
S: (v) clamp down, crack down (repress or suppress (something regarded as undesirable)) "The police clamped down on illegal drugs"
S: (v) restrict, trammel, limit, bound, confine, throttle (place limits on (extent or amount or access)) "restrict the use of this parking lot"; "limit the time you can spend with your friends"