vent Antonyms

keep under control tract swallow suppress suck submerge subdue strangle stifle smother silence restrain repress shut up hold in stop talking rein in fight back fall silent cork up choke back bite back bottle up button up roadblock keep back hold back railing muffle lockup contain conceal closure chock check bridle block barrier barricade bar allay acquisition control curb lobby lid inhibit hide gangway gag