Nil

Nil is a word commonly used to mean nothing or zero. See also null.

Specific uses of Nil include:

In the card game, spades, when a player predicts that they will win zero tricks, this is commonly referred to as going nil.
Nil is an American improvisational psychedelic rock band
Nil is a Japanese rock trio fronted by Takano Tetsu, former vocalist of Malice Mizer.
A keyword used to represent a null pointer in Pascal and Pascal-like programming languages.
NIL is the name of an implementation of the LISP programming language
Nil is a mock programming language.
NIL is a Network Interface Language. See RFC-33.
NiL, NiL Isn't Liero, a computer game.
Nil: A Land Beyond Belief is a 2005 graphic novel published by SLG Press.
"Nil" is used in some computer programming languages to indicate an invalid/uninitialized variable (e.g. Ruby), or an empty list (e.g. SML). See also Null (computer programming).
In the LISP programming language NIL is used to denote falsehood and the empty list.
Short form of Nilay, a turkish female name and also, Nil Karaibrahimgil is a Turkish female singer.
NIL may mean nanoimprint lithography.
Nil is an album released by Japanese rock band Gazette.
Nil is a brand of cigarettes produced by the Gallaher Group.
N.I.L. ("Nihilism Is Liberation") is an American black metal band.
North Island Line, a proposed extension railway of Hong Kong