- nonuser n. One who refrains from the use of something, as of narcotic drugs or

  alcohol.

- noodle2 n. Slang 1. The human head. 2. A weak, foolish, or stupid person.

- noodle3 intr.v. Slang To improvise music on an instrument in an idle,

  haphazard fashion.

- nooky or nookie n. Vulgar Slag Sexual intercourse.

- nopal n. 1. Any of various cacti of the genera Nopalea or Opuntia, including

  the prickly pear and similar species. 2. The fleshy, oval, edible pad of such

  a cactus.

- nor'easter n. A northeaster.

- nori n. An edible, dried preparation of red algae of the genus Porthyra.

  [Japanese]

- Norman1 n. 1a. A member of a Scandinavian people who settled in northern

  France in the 10th century. b. A descendant of this people, especially one

  ruling or inhabiting England from the time of the Norman Conquest. 2. A native

  or inhabitant of Normandy.

- northeaster n. A storm or gale blowing from the northeast.

- nose n. 5. Informal The nose considered as a symbol of prying: Keep your nose

  out of my business. v. -tr. 1. To find out by or as if by smell: nosed out the

  thieves' hiding place. 2. To touch with the nose; nuzzle. 3. To move, push, or

  make with or as if with the nose. 4. To advance the forward part of

  cautiously: nosed the car into the flow of traffic. -intr. 1. To smell or

  sniff. 2. Informal To search or inquire meddlesomely; snoop or pry: nosing

  around looking for opportunities. 3. To advance with caution: The ship nosed

  into its berth.

- nosedive n. 1. A very steep dive of an aircraft. 2. A sudden, swift drop or

  plunge: Stock prices took a nosedive.

- nose job n. Informal Plastic surgery on the nose, especially to improve its

  appearance; rhinoplasty.

- nosh n. A snack or light meal. intr.v.

- no-show Informal n. One that is expected but does not appear; especially: a. A

  person who reserves a place, as on an airplane, but neither uses nor cancels

  the reservation. b. A person who buys a ticket for an event but does not

  attend. c. A person who unexplainedly fails to keep an appointment. adj.

  Requiring little or no actual attendance or work: a no-show political

  patronage job.

- nosocomial adj. 1. Of or relating to a hospital. 2. Of or being a secondary

  disorder associated with being treated in a hospital but unrelated to the

  patient's primary condition: a nosocomial infection.

- nostrum n. 1. A medicine whose effectiveness is unproved and whose ingredients

  are usually secret; a quack remedy. 2. A favorite but usually ineffective

  remedy for problems or evils.

- notch n. 3. Informal A level or degree: a notch or two higher in quality.

  tr.v. 3. Informal To achieve; score: notched 30 wins in a single season.

- notchback n. An automobile having a roof that drops off sharply to the top of

  the rear compartment.

- [Idiom] for nothing: 1. Free of charge. 2. To no avail: all that trouble for

  nothing. 3. For no reason: fired him for nothing.

- nous n. 2. Chiefly British God sense; shrewdness: "Hilleda had the nous to

  take up with the General when he was on the up-and-up again."

- nova n. A star that suddenly becomes much brighter and then gradually returns

  to its original brightness over a period of weeks to years.

- novation n. Law Substitution of a new obligation for an old one.

- novercal adj. Of, relating to,, or characteristic of a stepmother.

- nth adj. 1. Relating to an unspecified ordinal number: ten to the nth power.

  2. Highest; utmost: delighted to the nth degree.

- nub n. 1. A protuberance or knob. 2. A small lump. 3. The essence; the core:

  the nub of a story.

- nubile adj. 1. Ready for marriage; of a marriageable age or condition. Used of

  young women. 2. Sexually mature and attractive. Used of young women.

- nuclear winter n. A worldwide darkening and cooling of the atmosphere with

  consequent devastation of surviving life forms, believed by some scientists to

  be a probable outcome of large-scale nuclear war.