Am·a·teur·ish, a. In the style of an amateur; superficial or defective like the work of an amateur.  -- Am*a*teur*ish*ly, adv. -- Am*a*teur*ish*ness, n.
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  amateurishly
       adv : in an amateurish manner; "he performed the piece
             amateurishly" [syn: like an amateur] [ant: expertly]