adjective worse, worst

1. 1. not good; not as it should be a bad attitude, a bad deal
   2. defective in quality; below standard; inadequate bad plumbing
2. showing a lack of talent, judgment, aptitude, skill, etc. a bad painting, a bad writer
3. not pleasant; unfavorable; disagreeable bad news
4. rotten; spoiled a bad apple
5. incorrect; faulty; erroneous bad spelling
6. 1. wicked; immoral
   2. not behaving properly; mischievous
7. causing injury; harmful bad for one's health
8. severe a bad storm
9. ill; in poor health
10. sorry; distressed he feels bad about it
11. offensive; disgusting a bad smell
12. unpaid and not collectible a bad debt
13. Law defective; not valid; void a bad title
14. badder bad′·der, baddest bad′·dest☆ Slang very good, stylish, effective, etc.

Etymology: ME bad, badde < ? OE bæddel, hermaphrodite

adverb worse, worst

noun

1. anything that is bad; bad quality or state
2. wickedness

transitive verb, intransitive verb

1. Archaic bid
2. Obsolete bide