2 definitions found From WordNet (r) 2.0 [wn]: adeptness noun: skillful performance or ability without difficulty; "his quick adeptness was a product of good design"; "he was famous for his facility as an archer" [syn: {adroitness}, {deftness}, {facility}, {quickness}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Adeptness \A*dept"ness\, noun The quality of being adept; skill.

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