1. not good in any manner or degree.
2. having a wicked or evil character; morally reprehensible: There is no such thing as a bad boy.
3. of poor or inferior quality; defective; deficient: a bad diamond;a bad spark plug.
4. inadequate or below standard; not satisfactory for use: bad heating;Living conditions in some areas are very bad.
5. inaccurate, incorrect, or faulty: a bad guess.
6. invalid, unsound, or false: a bad insurance claim;bad judgment.
7. causing or liable to cause sickness or ill health; injurious or harmful: Too much sugar is bad for your teeth.
8. suffering from sickness, ill health, pain, or injury; sick; ill: He felt bad from eating the green apples.
9. not healthy or in good physical condition; diseased, decayed, or physically weakened: A bad heart kept him out of the army.
10. tainted, spoiled, or rotten, especially to the point of being inedible: The meat is bad because you left it out of the refrigerator too long.
11. having a disastrous or detrimental effect, result, or tendency; unfavorable: The drought is bad for the farmers.His sloppy appearance made a bad impression.
12. causing or characterized by discomfort, inconvenience, uneasiness, or annoyance; disagreeable; unpleasant: I had a bad flight to Chicago.
13. easily provoked to anger; irascible: a bad temper.
14. cross, irritable, or surly: If I don't have my morning coffee, I'm in a bad mood all day.
15. more uncomfortable, persistent, painful, or dangerous than usual; severe: a bad attack of asthma.
16. causing or resulting in disaster or severe damage or destruction: a bad flood.
17. regretful, contrite, dejected, or upset: He felt bad about having to leave the children all alone.
18. disobedient, naughty, or misbehaving: If you're bad at school, you'll go to bed without supper.
19. disreputable or dishonorable: He's getting a bad name from changing jobs so often.
20. displaying a lack of skill, talent, proficiency, or judgment: a bad painting;Bad drivers cause most of the accidents.
21. causing distress; unfortunate or unfavorable: I'm afraid I have bad news for you.
22. not suitable or appropriate; disadvantageous or dangerous: It was a bad day for fishing.
23. inclement; considered too stormy, hot, cold, etc.: We had a bad winter with a lot of snow.
24. disagreeable or offensive to the senses: a bad odor.
25. exhibiting a lack of artistic sensitivity: The room was decorated in bad taste.
26. not in keeping with a standard of behavior or conduct; coarse: bad manners.
27. (of a word, speech, or writing)
• vulgar, obscene, or blasphemous: bad language.
• not properly observing rules or customs of grammar, usage, spelling, etc.; incorrect: He speaks bad English.
28. unattractive, especially because of a lack of pleasing proportions: She has a bad figure.
29. (of the complexion) marred by defects; pockmarked or pimply; blemished: bad skin.
30. not profitable or worth the price paid: The land was a bad buy.
31. deemed uncollectible or irrecoverable and treated as a loss: a bad debt.
32. ill-spent; wasted: Don't throw good money after bad money.
33. counterfeit; not genuine: There was a bad ten-dollar bill in with the change.
34. having the character of a villain; villainous: In the movies the good guys always beat the bad guys.
35. failing to land within the in-bounds limits of a court or section of a court; missing the mark; not well aimed.
36. outstandingly excellent; first-rate: He's a bad man on drums, and the fans love him.

37. that which is bad: You have to take the bad with the good.
38. a bad condition, character, or quality: His health seemed to go from bad to worse.
39. evil persons collectively: The bad are always stirring up trouble.

40. badly: He wanted it bad enough to steal it.

41. in poor or distressed condition or circumstances; destitute: His family has been pretty bad off since he lost his job.
42. to deteriorate physically or morally; go to ruin: She wept at seeing her son go to the bad.
43. in severe trouble or distress.
44. in bad, Informal.
• in trouble or distress.
• in disfavor: He's in bad with his father-in-law.
45. my fault! my mistake!
46. not bad,
• tolerably good; not without merit: The dinner wasn't bad, but I've had better.
• not difficult: Once you know geometry, trigonometry isn't bad.
47. unfortunate or disappointing: It's too bad that he didn't go to college.
48. in arrears: He's $100 to the bad on his debt.

1. a simple past tense of bid¹.

1. not good; of poor quality; inadequate; inferior
2. lacking skill or talent; incompetent
3. harmful
4. immoral; evil
5. naughty; mischievous; disobedient
6. rotten; decayed; spoiled
7. severe; intense
8. incorrect; wrong; faulty
9. ill or in pain (esp in the phrase feel bad)
10. regretful, sorry, or upset (esp in the phrase feel bad about)
11. unfavourable; distressing
12. offensive; unpleasant; disagreeable
13. not valid or sound; void
14. not recoverable
15. good; excellent
16. to deteriorate even more
17. to putrefy; spoil
18. in a bad way informal
• seriously ill, through sickness or injury
• in trouble of any kind
19. in someone's bad books See book (def. 21)
20. to manage as well as possible in unfavourable circumstances
21. passable; fair; fairly good
22. very good
23. (often used dismissively) regrettable

24. unfortunate or unpleasant events collectively (often in the phrase take the bad with the good)
25. an immoral or degenerate state (often in the phrase go to the bad)
26. the debit side of an account
27. my fault or mistake

28. badly

1. a variant of bade

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