v. 1 silence, stifle, still, muffle, stop (up), muzzle, quiet, curb, suppress, repress, restrain, throttle, strangle, check, inhibit, discourage The department gagged him, forbidding any press interviews 2 retch, choke, heave; gasp for air, struggle for breath; US keck That drink made me gag
n. 3 restraint, curb, muzzle, check MI5 tried to put a gag on the revelations of the former spy