adjective, worse, worst; (Slang
) bad⋅der, bad⋅dest for 36; noun; adverb | 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, esp. 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)
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| 28. | unattractive, esp. 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. | Commerce. 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. | Sports. failing to land within the in-bounds limits of a court or section of a court; missing the mark; not well aimed. |
| 36. | Slang. 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. | (used with a plural verb ) evil persons collectively (usually prec. by the): The bad are always stirring up trouble. |
| 40. | badly: He wanted it bad enough to steal it. |
| 41. | bad off, in poor or distressed condition or circumstances; destitute: His family has been pretty bad off since he lost his job. Also, badly off. Compare well-off. |
| 42. | go to the bad, to deteriorate physically or morally; go to ruin: She wept at seeing her son go to the bad. |
| 43. | in a bad way, in severe trouble or distress. |
| 44. | in bad, Informal.
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| 45. | my bad, Slang. my fault! my mistake! |
| 46. | not bad,
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| 47. | too bad, unfortunate or disappointing: It's too bad that he didn't go to college. |
| 48. | to the bad, in arrears: He's $100 to the bad on his debt. |

bad
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go bad
Spoil, decay; also, turn to crime. For example, You can tell from the smell that this milk has gone bad, or If he keeps running around with that street gang, he's sure to go bad. [Late 1800s]