neat

Free from clumsiness; precisely or deftly executed.

“the neat exactness of the surgeon's knife”

Clean or organized.

“her neat dress”

“a neat room”

Superficially impressive, but lacking depth and attention to the true complexities of a subject.

“it was a neat plan, but bound to fail”

Very good.

“a neat sports car”

(of an alcoholic drink) without water.

“took his whiskey neat”

Showing care in execution.

“neat homework”

“neat handwriting”