Meaning of “neat” - Learner’s Dictionary

neat

adjective uk us /niːt/
TIDY

B1 tidy and clean:

He always looks very neat and tidy.
GOOD US informal

good:

That's really neat.
What a neat idea.
ALCOHOL

A neat alcoholic drink is drunk on its own, and not mixed with any other liquid.

(Definition of “neat” from the Cambridge Learner’s Dictionary © Cambridge University Press)