adj. 1. Some large and indeterminate number of objects; "There were N bugs in that crock!"; also used in its original sense of a variable name.
2. An arbitrarily large (and perhaps infinite) number.
3. A variable whose value is specified by the current context. "We'd like to order N wonton soups and a family dinner for N-1."
4. NTH: adj. The ordinal counterpart of N. "Now for the Nth and last time..." In the specific context "Nth-year grad student", N is generally assumed to be at least 4, and is usually 5 or more. See also 69.
See PHASE (of people).
[from LISP terminology for "false"] No. Usage: used in reply to a question, particularly one asked using the "-P" convention. See T.