ILL

adjective

Synonyms

Bad; evil; wrong; wicked; sick; unwell.

Definitions

  1. 1. Contrary to good, in a physical sense; contrary or opposed to advantage, happiness, etc.; bad; evil; unfortunate; disagreeable; unfavorable. Neither is it ill air only that maketh an ill seat, but ill ways, ill markets, and ill neighbors. Bacon. There 's some ill planet reigns. Shak.
  2. 2. Contrary to good, in a moral sense; evil; wicked; wrong; iniquitious; naughtly; bad; improper. Of his own body he was ill, and gave The clergy ill example. Shak.
  3. 3. Sick; indisposed; unwell; diseased; disordered; as, ill of a fever. I am in health, I breathe, and see thee ill. Shak.
  4. 4. Not according with rule, fitness, or propriety; incorrect; rude; unpolished; inelegant. That 's an ill phrase. Shak. Ill at ease, uneasy; uncomfortable; anxious. "I am very ill at ease." Shak. -- Ill blood, enmity; resentment. -- Ill breeding, want of good breeding; rudeness. -- Ill fame, ill or bad repute; as, a house of ill fame, a house where lewd persons meet for illicit intercourse. -- Ill humor, a disagreeable mood; bad temper. -- Ill nature, bad disposition or temperament; sullenness; esp., a disposition to cause unhappiness to others. -- Ill temper, anger; moroseness; crossness. -- Ill turn. (a) An unkind act. (b) A slight attack of illness. [Colloq. U.S.] -- Ill will, unkindness; enmity; malevolence.

Other Definitions

This word also has 2 other definitions:
Added: October 09, 2025 Updated: October 09, 2025
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