Radically /(răd"ĭ*kal*ly̆)/

Rad·i·cal·ly

Radically

adv.
  1. In a radical manner; at, or from, the origin or root; fundamentally; as, a scheme or system radically wrong or defective.
  2. Without derivation; primitively; essentially. [R.]
    These great orbs thus radically bright.