indextrous

adjective2

1. •
   Not dextrous; maladroit.

   • He may think Memaw's consistent failure to strike him with the broom is a function of her indextrous skill with the broom used in this uncustomary manner. — 1998
2. •
   Not manual.

   • No one better than he knew that an indextrous education is but half an education ; unless the hand have its delight as well as the brain, man expresses himself only in part. — 1913