Source : Webster's Revised Unabridged Dictionary (1913)

Poorly \Poor"ly\, adv.
   1. In a poor manner or condition; without plenty, or
      sufficiency, or suitable provision for comfort; as, to
      live poorly.

   2. With little or no success; indifferently; with little
      profit or advantage; as, to do poorly in business.

   3. Meanly; without spirit.

            Nor is their courage or their wealth so low, That
            from his wars they poorly would retire. --Dryden.

   4. Without skill or merit; as, he performs poorly.

   {Poorly off}, not well off; not rich.