–adjective

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 destru 3e8 ction: 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.

causing distress; unfortunate or unfavorable: I'm afraid I have bad news for you.

21.

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) a. vulgar, obscene, or blasphemous: bad language. b. not properly observing rules or customs of grammar, usage, spelling, etc.; incorrect: He speaks bad English.

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.

–noun

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.

–adverb Informal.

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

—Idioms

41.	bad off, in poor or distressed condition or circumstances; destitute: His family has been p be7 retty 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. a. in trouble or distress. b. in disfavor: He's in bad with his father-in-law.

45.	my bad, Slang. my fault! my mistake!

—Idioms

46.	not bad, a. tolerably good; not without merit: The dinner wasn't bad, but I've had better. b. not difficult: Once you know geometry, trigonometry isn't bad. Also, not so bad, not too bad.

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.

–noun

1.	something that is owed or that one is bound to pay to or perform for another: a debt of $50.

2.	a liability or obligation to pay or render something: My debt to her for advice is not to be discharged easily.

3.	the condition of being under such an obligation: His gambling losses put him deeply in debt.

4.	Theology. an offense requiring reparation; a sin; a trespass.