Neat

bien hecho

(well-executed or delivered; clever, skilful, precise)

bien hecho

(colloquial: good, excellent, desirable)

derecho

(undiluted, particularly of alcoholic drinks)

limpio

(tidy, free from dirt)

paja

(colloquial: good, excellent, desirable)

pulcro

(tidy, free from dirt)

puro

(chemistry: with no solvent or cosolvent)

bovino

(cow, bovine)

res

(cow, bovine)