definition of
close up

[1] #1 close up r. very close; "without my reading glasses I can hardly see things close up"; "even firing at close range he missed". wn

[2] #2 close up v. cease to operate or cause to cease operating; "The owners decided to move and to close the factory"; "My business closes every night at 8 P.M."; "close up the shop". wn

[3] #3 close up v. block passage through; "obstruct the path". wn

[4] #4 close up v. unite or bring into contact or bring together the edges of; "close the circuit"; "close a wound"; "close a book"; "close up an umbrella". wn

[5] #5 close up v. refuse to talk or stop talking; fall silent; "The children shut up when their father approached". wn