Adjective poorly has 1 sense
  1. ailing, indisposed, peaked, poorly, sickly, unwell, under the weather - somewhat ill or prone to illness; "my poor ailing grandmother"; "feeling a bit indisposed today"; "you look a little peaked"; "feeling poorly"; "a sickly child"; "is unwell and can't come to work"
    Antonym: well (indirect, via ill)
,Adverbial poorly has 1 sense
  1. ill, badly, poorly - (`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well; "he was ill prepared"; "it ill befits a man to betray old friends"; "the car runs badly"; "he performed badly on the exam"; "the team played poorly"; "ill-fitting clothes"; "an ill-conceived plan"
    Derived from adjective poor1