D defs.my
Entry 2 senses Webster, 1913

improved

· IPA /ɪmˈpɹuːvd/
01 adj. advanced to a more desirable or valuable or excellent state. Opposite of unimproved.
  1. 1.
    advanced to a more desirable or valuable or excellent state. Opposite of unimproved.
  2. 2.
    changed for the better; as, her improved behavior.
Syn. amended.