ill

a.

  1. Contrary to good, in a physical sense; contrary or opposed to advantage, happiness, etc.; bad; evil; unfortunate; disagreeable; unfavorable.
  2. Contrary to good, in a moral sense; evil; wicked; wrong; iniquitious; naughtly; bad; improper.
  3. Sick; indisposed; unwell; diseased; disordered; as, ill of a fever.
  4. Not according with rule, fitness, or propriety; incorrect; rude; unpolished; inelegant.

n.

  1. Whatever annoys or impairs happiness, or prevents success; evil of any kind; misfortune; calamity; disease; pain; as, the ills of humanity.
  2. Whatever is contrary to good, in a moral sense; wickedness; depravity; iniquity; wrong; evil.

adv.

  1. In a ill manner; badly; weakly.