asphyxiate bit bottle up bridle censor check choke off clamp down on constrain cork cork up crack down on crush curb damp down deprive of freedom disenfranchise disfranchise dominate drown enslave enthrall extinguish gag hold back hold captive hold in hold in bondage hold in captivity hold in leash hold in subjection inhibit jump on keep down keep under kill lead captive make dependent muzzle peonize pour water on put down quash quell quench repress shut down on silence sit down on sit on smash smother squash squelch stanch stifle strangle stultify subdue subject subjugate subordinate suffocate suppress take captive throttle vassalize withhold