close up Meaning, Definition & Usage

1. verb cease to operate or cause to cease operating
   shut down; close; close down; fold.
   
   • The owners decided to move and to close the factory
   • My business closes every night at 8 P.M.
   • close up the shop
2. verb block passage through
   obstruct; obturate; jam; impede; occlude; block.
   
   • obstruct the path
3. verb unite or bring into contact or bring together the edges of
   close.
   
   • close the circuit
   • close a wound
   • close a book
   • close up an umbrella
4. verb refuse to talk or stop talking; fall silent
   shut up; belt up; button up; clam up; be quiet; dummy up; keep mum.
   
   • The children shut up when their father approached
5. adverb very close
   at close range.
   
   • without my reading glasses I can hardly see things close up
   • even firing at close range he missed

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