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Meaning of “bad” in the English Dictionary

"bad" in British English

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badadjective

uk   /bæd/  us   /bæd/
  • bad adjective (UNPLEASANT)

A1 (worse, worst) unpleasant and ​causing difficulties or ​harm: Our ​holiday was ​spoiled by bad weather. We've just had some very bad news. I had a very bad night (= did not ​sleep well) last ​night. Watch out - he's in a badmood (= being ​unpleasant to everyone). She's just a bad loser (= she is ​unpleasant when she ​loses). The ​company has been getting a lot of bad publicity (= ​negative things have been written or said about it)recently. The ​lines were so bad (= ​unpleasantlylong) that I didn't ​botherwaiting. The company's ​financialsituation is lookingpretty bad at the ​moment. The ​damagecaused by the ​storm was nowhere near as/nothing like as bad (= not as ​serious) as we'd ​feared it might be. Breathing in other people's ​cigarettesmoke is bad for you (= has a ​harmfuleffect on ​yourhealth). This is a bad (= not ​convenient or ​suitable)time for me to ​talk. Can I ​call you back ​later?
not (too) bad A2 informal
fairly good or ​satisfactory: "How are things?" "Not too bad, ​thanks."
not bad informal
very good: He was ​best in his ​agegroup - not bad, eh?
feel bad
B1 to ​feelashamed and ​sorry: Knowing that I ​hurt her makes me ​feel really bad. I ​feel bad aboutletting them down.
go from bad to worse
If a ​situation goes from bad to worse, it was ​difficult and ​unpleasant, and is ​becomingeven more so: Things have gone from bad to worse.

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  • bad adjective (LOW QUALITY)

A2 (worse, worst) of ​lowquality, or not ​acceptable: The ​plumber did a bad ​job on the ​repairs. Are the company's ​current difficulties a ​result of bad (= ​harmful) luck or bad (= of ​lowquality)judgment? He has some very bad habits. In some ​parts of the ​world, it is ​considered bad manners to ​pick up ​food with the ​lefthand. He was ​senthome from ​school for bad behaviour. That ​remark was in ​pretty bad taste, wasn't it? I'm very bad atcooking (= cannot do it very well).

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  • bad adjective (EVIL)

B1 (worse, worst) (of ​people or ​actions) ​evil or ​morallyunacceptable: There are a lot of bad ​people in the ​world. He has his ​faults but he's not a bad ​person.

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  • bad adjective (PAINFUL)

C1 (worse, worst) causing or ​experiencingpain: She can't ​walk up all those ​steps, not with her bad ​leg! a bad ​cough
badness
noun [U] uk   /ˈbæd.nəs/  us   /ˈbæd.nəs/
the ​quality of being ​evil or ​morallyunacceptable: There is ​goodness and badness in everyone.

badadverb

uk   /bæd/  us   /bæd/ US
informal forbadly (= very much): He ​needs the ​moneyreal bad. My ​armhurts so bad.

badnoun [U]

uk   /bæd/  us   /bæd/
(Definition of bad from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"bad" in American English

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badadjective

 us   /bæd/ (comparative worse  /wɜrs/ , superlative worst  /wɜrst/ )
  • bad adjective (UNPLEASANT)

not good; ​disappointing or ​unpleasant, or causing ​difficulties or ​harm: We ​heard the bad ​news about Dorothy’s ​illness. Flights were ​delayed because of bad ​weather. Too much ​salt is bad for you (= has a ​harmfuleffect on ​yourhealth).
Bad can also ​meanserious or ​severe: a bad ​accident/​storm
  • bad adjective (LOW QUALITY)

of very ​lowquality; not ​acceptable: bad ​manners We ​thought the ​hotel was bad and the ​food was ​terrible. That was one of the worst ​movies I’ve ​everseen.
  • bad adjective (EVIL)

(of ​people or ​actions) ​evil or ​morallyunacceptable: He’s not a bad ​person.
  • bad adjective (UNHEALTHY)

(of a ​person) ​ill or not well, or (of an ​illness) ​serious or ​severe: a bad back/​heart a bad ​cough bad ​health He’s in really bad ​shape. He’s got bad ​arthritis and can ​hardlywalk.
(Definition of bad from the Cambridge Academic Content Dictionary © Cambridge University Press)

"bad" in Business English

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badnoun

uk   us   /bæd/ FINANCE
to the bad
if you are a particular ​amount of ​money to the bad, you have ​lost or ​owe that ​amount: The ​bank has a ​positivedeficiency of €376,900 with a possibility of its being over half a million to the bad.
(Definition of bad from the Cambridge Business English Dictionary © Cambridge University Press)
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