D defs.my
Entry 2 senses Webster, 1913

Doubly

/(dŭb"ly̆)/ · Dou·bly · IPA /ˈdʌb.li/
01 adv. In twice the quantity; to twice the degree; as, doubly wise or good; to be doubly sensible of an obligation.
  1. 1.
    In twice the quantity; to twice the degree; as, doubly wise or good; to be doubly sensible of an obligation.
  2. 2.
    Deceitfully.