ill

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Not healthy; sick: I began to feel ill last week.
2. adj. Not normal; unsound: an ill condition of body and mind.
3. adj. Resulting in suffering; harmful or distressing: the ill effects of a misconceived policy.
4. adj. Resulting from or suggestive of evil intentions: ill deeds committed out of spite.
5. adj. Ascribing an objectionable quality: holds an ill view of that political group.
6. adj. Hostile or unfriendly: ill feeling between rivals.
7. adj. Harmful; pernicious: the ill effects of a misconceived policy.
8. adj. Not favorable; unpropitious: ill predictions.
9. adj. Not measuring up to recognized standards of excellence, as of behavior or conduct.
10. adv. In a sickly or unsound manner; not well.
11. adv. Scarcely or with difficulty.
12. n. Evil; sin.
13. n. Disaster, distress, or harm.
14. n. Something that causes suffering; trouble: the social ills of urban life.
15. n. Something that reflects in an unfavorable way on one: Please don't speak ill of me when I'm gone.
16. idiom. ill at ease Anxious or unsure; uneasy: The stranger made me feel ill at ease.

Century Dictionary and Cyclopedia

1. Inherently bad or evil; of pernicious quality or character; vicious; wicked; malevolent.
2. Causing evil or harm; baneful; mischievous; pernicious; deleterious: as, it is an ill wind that blows nobody good.
3. Marked or attended by evil or suffering; disastrous; wretched; miserable: as, an ill fate; an ill ending.
4. Of bad import, bearing, or aspect; threatening; forbidding; harsh; inimical: as, ill news travels fast; an ill countenance.
5. In a bad or disordered state morally; unbalanced; cross; crabbed; unfriendly; unpropitious; hostile: as, ill nature; ill temper; ill feeling; ill will.
6. In a disordered state physically; diseased; impaired: as, to be ill of a fever; to be taken ill; ill health.
7. Not proper; not legitimate or polite; rude; unpolished: as, ill manners; ill breeding.
8. Unskilful; inexpert: as, I am ill at reckoning.
9. n. Evil; wrong; wickedness; depravity.
10. n. Misfortune; calamity; adversity; disaster; disease; pain.
11. n. Anything that is discreditable or injurious.
12. Badly; imperfectly; unfavorably; unfortunately.
13. Not easily; with hardship, pain, or difficulty: as, he is ill able to bear the loss.
14. To do evil to; harm; injure.
15. To slander; defame.
16. n. Abbreviations of Illinois.
17. n. Abbreviations of illustrated or of illustration.

Wiktionary

1. adj. slang Extremely bad (bad enough to make one ill). Generally used indirectly with to be.
2. adv. Not well; imperfectly, badly; hardly.
3. n. often pluralized Trouble; distress; misfortune; adversity.
4. n. Harm or injury.
5. n. Evil; moral wrongfulness.
6. n. A physical ailment; an illness.
7. n. Unfavorable remarks or opinions.
8. n. US, slang PCP, phencyclidine

GNU Webster's 1913

1. adj. Contrary to good, in a physical sense; contrary or opposed to advantage, happiness, etc.; bad; evil; unfortunate; disagreeable; unfavorable.
2. adj. Contrary to good, in a moral sense; evil; wicked; wrong; iniquitious; naughtly; bad; improper.
3. adj. Sick; indisposed; unwell; diseased; disordered.
4. adj. Not according with rule, fitness, or propriety; incorrect; rude; unpolished; inelegant.
5. n. Whatever annoys or impairs happiness, or prevents success; evil of any kind; misfortune; calamity; disease; pain.
6. n. Whatever is contrary to good, in a moral sense; wickedness; depravity; iniquity; wrong; evil.
7. adv. In a ill manner; badly; weakly.

WordNet 3.0

1. adj. affected by an impairment of normal physical or mental function
2. adj. resulting in suffering or adversity
3. adv. with difficulty or inconvenience; scarcely or hardly
4. adv. (`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well
5. adj. distressing.
6. n. an often persistent bodily disorder or disease; a cause for complaining
7. adj. presaging ill fortune
8. adv. unfavorably or with disapproval
9. adj. indicating hostility or enmity