confine, limit, circumscribe - restrict or confine, "I limit you to two visits to the pub a day"

immobilise, immobilize - cause to be unable to move; "The sudden storm immobilized the traffic"

classify - declare unavailable, as for security reasons; "Classify these documents"

taboo - declare as sacred and forbidden

scant, skimp - limit in quality or quantity

localise, localize - restrict something to a particular area

curb, hold in, control, moderate, contain, check, hold - lessen the intensity of; temper; hold in restraint; hold or keep within limits; "moderate your alcohol intake"; "hold your tongue"; "hold your temper"; "control your anger"

tighten, reduce - narrow or limit; "reduce the influx of foreigners"

tie - limit or restrict to; "I am tied to UNIX"; "These big jets are tied to large airports"

gate - restrict (school boys') movement to the dormitory or campus as a means of punishment

draw a line, draw the line - reasonably object (to) or set a limit (on); "I draw the line when it comes to lending money to friends!"

mark off, mark out - set boundaries to; "mark out the territory"

harness, rein, rule - keep in check; "rule one's temper"

baffle, regulate - check the emission of (sound)

hamper, cramp, halter, strangle - prevent the progress or free movement of; "He was hampered in his efforts by the bad weather"; "the imperilist nation wanted to strangle the free trade between the two small countries"

tighten up, constrain, stiffen, tighten - restrict; "Tighten the rules"; "stiffen the regulations"

clamp down, crack down - repress or suppress (something regarded as undesirable); "The police clamped down on illegal drugs"

inhibit - limit the range or extent of; "Contact between the young was inhibited by strict social customs"

constrain, cumber, encumber, restrain - hold back

curb, hold in, control, moderate, contain, check, hold - lessen the intensity of; temper; hold in restraint; hold or keep within limits; "moderate your alcohol intake"; "hold your tongue"; "hold your temper"; "control your anger"

modify - make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"