1 : accurate and to the point; "a dead-on feel for characterization"; "She avoids big scenes...preferring to rely on small gestures and dead-on dialogue"- Peter S.Prescott
2 : free from clumsiness; precisely or deftly executed; "he landed a clean left on his opponent's cheek"; "a clean throw"; "the neat exactness of the surgeon's knife"
3 : having a clean and distinct outline as if precisely cut along the edges; "a finely chiseled nose"; "well-defined features"
4 : (of ideas, images, representations, expressions) characterized by perfect conformity to fact or truth; strictly correct; "a precise image"; "a precise measurement"
adjectif
1 : expressing much in few words
2 : conforming exactly or almost exactly to fact or to a standard or performing with total accuracy
