worse

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. More inferior, as in quality, condition, or effect.
2. adj. More severe or unfavorable.
3. adj. Being further from a standard; less desirable or satisfactory.
4. adj. Being in poorer health; more ill.
5. n. Something that is worse: Of the two routes, the eastern one is the worse. She was accused of cheating on exams, lying, and worse.
6. adv. In a worse manner; to a worse degree.
7. idiom. for better or (for) worse Whether the situation or consequences be good or ill: For better or worse, he trusts everyone.

Century Dictionary and Cyclopedia

1. The comparative of bad, evil, ill; more bad, evil, ill, unfortunate, or undesirable; less valuable or perfect; more unfavorable or unsuccessful; less well in health, or less well off in worldly circumstances. See bad, evil, and ill.
2. Sometimes used substantively in the sense of something less good, desirable, fortunate, favorable, etc.
3. In logic, having, as a proposition, a character which, if belonging to one of two or more premises, must also belong to the conclusion. Thus, a negative is held to be worse than an affirmative proposition, and a particular worse than a universal. On the same principle, a spurious proposition is taken as in a second degree of particularity.
4. In a more evil, wicked, severe, or disadvantageous manner; in a way that is less good, desirable, or favorable.
5. In a less or lower degree; less.
6. Less favorably or agreeably.
7. With more severity, intensity, etc.; in a greater degree.
8. To become worse.
9. To worst; put to disadvantage; discomfit.

Wiktionary

1. adj. comparative form of bad: more bad
2. adj. this sense?) More ill.
3. adj. this sense?) Of lower quality, less desirable.
4. adj. this sense?) More severe or serious.
5. adj. this sense?) More evil.
6. adv. comparative form of badly: more badly
7. adv. comparative form of ill: more ill
8. adv. Less skillfully.
9. adv. More severely or seriously.
10. adv. Used to start a sentence.
11. v. obsolete, transitive To make worse; to put at disadvantage; to discomfit.

GNU Webster's 1913

1. Bad, ill, evil, or corrupt, in a greater degree; more bad or evil; less good; specifically, in poorer health; more sick; -- used both in a physical and moral sense.
2. n. Loss; disadvantage; defeat.
3. n. That which is worse; something less good.
4. adv. In a worse degree; in a manner more evil or bad.
5. v. To make worse; to put disadvantage; to discomfit; to worst. See worst, v.

WordNet 3.0

1. n. something inferior in quality or condition or effect
2. adj. changed for the worse in health or fitness
3. adv. (comparative of `ill') in a less effective or successful or desirable manner
4. adj. (comparative of `bad') inferior to another in quality or condition or desirability