• (chemistry) Conditions with a liquid reagent or gas performed with no standard solvent or cosolvent.

    "The Arbuzov reaction is performed by adding the bromide to the phosphite, neat.  The molecular beam was neat acetylene."

  • Well-executed or delivered; clever, skillful, precise.

    "Having the two protagonists meet in the last act was a particularly neat touch."

  • Free from contaminants; unadulterated, undiluted. Particularly of liquor and cocktails; see usage below.

    "I like my whisky neat."

  • Having a simple elegance or style; clean, trim, tidy, tasteful.

    "The front room was neat and carefully arranged for the guests."

  • Clean, tidy; free from dirt or impurities.

    "My room is neat because I tidied it this morning.  She has very neat hair."

  • (archaic) With all deductions or allowances made; net.
  • (colloquial) Good, excellent, desirable.

    "Hey, neat convertible, man."


  • (archaic) Cattle collectively.
  • (archaic) A bull or cow.
  • (informal) An artificial intelligence researcher who believes that solutions should be elegant, clear and provably correct. Compare scruffy.

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