block (v)
close up (v)
impede (v)
jam (v)
obstruct (v)
obturate (v)
occlude (v)

Definition: block passage through
Example: obstruct the path.

close (v)
close down (v)
close up (v)
fold (v)
shut down (v)

Definition: cease to operate or cause to cease operating
Example: The owners decided to move and to close the factory. My business closes every night at 8 P.M.. close up the shop.

close up (v)
close (v)

Definition: unite or bring into contact or bring together the edges of
Example: close the circuit. close a wound. close a book. close up an umbrella.

shut up (v)
keep mum (v)
dummy up (v)
close up (v)
clam up (v)
button up (v)
belt up (v)
be quiet (v)

Definition: refuse to talk or stop talking
Example: The children shut up when their father approached.

close up (r)
at close range (r)

Definition: very close
Example: without my reading glasses I can hardly see things close up. even firing at close range he missed.