Answer:

deftest

AnswerCrossword Clue
DEFTESTBest with one's hands
DEFTESTMost adroit
DEFTESTMost nimble
DEFTESTMost skillful
DEFTESTLeast clumsy
DEFTESTHaving the best of hands
DEFTESTMost skilled
DEFTESTLeast klutzy