Main entry: close, close down, close up, shut down, fold
Definition: cease to operate or cause to cease operating
Usage: The owners decided to move and to close the factory; My business closes every night at 8 P.M.; close up the shop
Definition: start to operate or function or cause to start operating or functioning
Main entry: keep mum, dummy up, belt up, be quiet, shut up, clam up, close up, button up
Definition: refuse to talk or stop talking; fall silent
Usage: The children shut up when their father approached
Antonyms: open up
Definition: talk freely and without inhibition
Main entry: jam, close up, block, impede, obstruct, obturate, occlude
Definition: block passage through
Usage: obstruct the path