Lacking physical or mental coordination.

lacking in cooperative planning and organization ; "uncoordinated scheduling often resulted in conflicting games"

lacking the skillful and effective interaction of muscle movements; "his movements are uncoordinated"; "an uncoordinated toddler"

adjective

all thumbs , bumbling , bungling , butterfingered * , gawkish , gawky , graceless , heavy-handed , klutzy , like a bull in a china shop , lumbering , not agile , stumbling , unadept , ungainly , ungraceful , unhandy , unskillful