retards flow (verb) close: obstruct, seal
Sinonime: bang,
bar,
block,
bolt, button, caulk,
choke, clap, clench, clog,
confine, congest, cork, dam,
exclude,
fasten,
fill,
lock, occlude,
plug, prevent passage, put to, retard flow,
screen,
secure, shut, shut off, shutter,
slam, stop up, stopper,
stuff, turn off
Antonime: open,
release, unclose, unplug, unseal, unstop