1. (adj)bad, badness that which is below standard or expectations as of ethics or decency "take the bad with the good"
2. (adj)bad having undesirable or negative qualities "a bad report card"; "his sloppy appearance made a bad impression"; "a bad little boy"; "clothes in bad shape"; "a bad cut"; "bad luck"; "the news was very bad"; "the reviews were bad"; "the pay is bad"; "it was a bad light for reading"; "the movie was a bad choice"
3. (adj)bad, big very intense "a bad headache"; "in a big rage"; "had a big (or bad) shock"; "a bad earthquake"; "a bad storm"
4. (adj)bad, tough feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad') "my throat feels bad"; "she felt bad all over"; "he was feeling tough after a restless night"
5. (adj)bad, spoiled, spoilt (of foodstuffs) not in an edible or usable condition "bad meat"; "a refrigerator full of spoilt food"
6. (adj)regretful, sorry, bad feeling or expressing regret or sorrow or a sense of loss over something done or undone "felt regretful over his vanished youth"; "regretful over mistakes she had made"; "he felt bad about breaking the vase"
7. (adj)bad, uncollectible not capable of being collected "a bad (or uncollectible) debt"
8. (adj)bad below average in quality or performance "a bad chess player"; "a bad recital"
9. (adj)bad nonstandard "so-called bad grammar"
10. (adj)bad, risky, high-risk, speculative not financially safe or secure "a bad investment"; "high risk investments"; "anything that promises to pay too much can't help being risky"; "speculative business enterprises"
11. (adj)bad, unfit, unsound physically unsound or diseased "has a bad back"; "a bad heart"; "bad teeth"; "an unsound limb"; "unsound teeth"
12. (adj)bad capable of harming "bad air"; "smoking is bad for you"
13. (adj)bad characterized by wickedness or immorality "led a very bad life"
14. (adj)bad, forged reproduced fraudulently "like a bad penny..."; "a forged twenty dollar bill"
15. (adverb)bad, defective not working properly "a bad telephone connection"; "a defective appliance"
16. (adverb)badly, bad with great intensity (`bad' is a nonstandard variant for `badly') "the injury hurt badly"; "the buildings were badly shaken"; "it hurts bad"; "we need water bad"
17. (adverb)badly, bad very much; strongly "I wanted it badly enough to work hard for it"; "the cables had sagged badly"; "they were badly in need of help"; "he wants a bicycle so bad he can taste it"
2. bad wanting good qualities, whether physical or moral; injurious, hurtful, inconvenient, offensive, painful, unfavorable, or defective, either physically or morally; evil; vicious; wicked; -- the opposite of good; as, a bad man; bad conduct; bad habits; bad soil; bad health; bad crop; bad news
3. bad of Bid
Definitions of 'bad'
The New Hacker's Dictionary
1. bad [IBM: acronym, “Broken As Designed”] Said of a program
that is bogus because of bad design and misfeatures
rather than because of bugginess. See working as
designed.
Definitions of bad 
Afrikaans: swak
Arabic: سَيِّء
Bulgarian: лош
Brazilian: mau
Czech: špatný
German: schlecht
Danish: dårlig
Greek: ανίκανος, αναποτελεσματικ
Spanish: malo
Estonian: vilets
Farsi: بد
Finnish: huono
French: mauvais
Hebrew: רַע
Hindi: खराब
Croatian: slab
Hungarian: rossz
Indonesian: buruk
Icelandic: vondur, slæmur, lélegur
Italian: cattivo
Japanese: 不十分な
Korean: 나쁜
Lithuanian: blogas
Latvian: slikts
Malay: tidak cekap
Dutch: slecht
Norwegian: dårlig
Polish: niedobry
Persian: بد
Pashto: بد، غلط، خراب، ناوړه
Portuguese: mau
Romanian: prost, slab
Russian: плохой
Slovak: zlý
Slovenian: slab
Serbian: loš
Swedish: dålig
Thai: ไม่ดี
Turkish: kötü, fena
Taiwanese: 壞的
Ukrainian: поганий
Urdu: بُرا
Vietnamese: xấu; dở; tồi
Chinese: 坏的
