What is the meaning of poorly?

adjective

• Somewhat ill or prone to illness.
  • usage: "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"
  • synonyms: ailing, indisposed, peaked, sickly, unwell, under the weather, seedy

adverb

• (adv.) ((`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well)
  • usage: "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"
  • synonyms: ill, badly