very close; "without my reading glasses I can hardly see things close up"; "even firing at close range he missed"
refuse to talk or stop talking; fall silent; "The children shut up when their father approached"
unite or bring into contact or bring together the edges of; "close the circuit"; "close a wound"; "close a book"; "close up an umbrella"
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"
establish the validity of something, as by an example, explanation or experiment; "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture"
prove formally; demonstrate by a mathematical, formal proof
obtain probate of; "prove a will"
take a trial impression of
be shown or be found to be; "She proved to be right"; "The medicine turned out to save her life"; "She turned up HIV positive"