Synonym: evil, unfavorable, wrong. Antonym: good. Similar words: badly, a bad egg. Meaning: [bæd] 
n. that which is below standard or expectations as of ethics or decency. adj. 1. having undesirable or negative qualities 2. very intense 3. feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad') 4. (of foodstuffs) not in an edible or usable condition 5. feeling or expressing regret or sorrow or a sense of loss over something done or undone 6. not capable of being collected 7. below average in quality or performance 8. nonstandard 9. not financially safe or secure 10. physically unsound or diseased 11. capable of harming 12. characterized by wickedness or immorality 13. reproduced fraudulently 14. not working properly. adv. 1. with great intensity (`bad' is a nonstandard variant for `badly') 2. very much; strongly.
n. that which is below standard or expectations as of ethics or decency. adj. 1. having undesirable or negative qualities 2. very intense 3. feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad') 4. (of foodstuffs) not in an edible or usable condition 5. feeling or expressing regret or sorrow or a sense of loss over something done or undone 6. not capable of being collected 7. below average in quality or performance 8. nonstandard 9. not financially safe or secure 10. physically unsound or diseased 11. capable of harming 12. characterized by wickedness or immorality 13. reproduced fraudulently 14. not working properly. adv. 1. with great intensity (`bad' is a nonstandard variant for `badly') 2. very much; strongly. 
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151. She was discharged from the police force for bad conduct.
152. Good love makes you see the whole world from one person while bad love makes you abandon the whole world for one person.
153. The match was postponed to the next day because of bad weather.
154. The administration has no vested interest in proving whether public schools were good or bad.
155. I don't need someone who sees the good in me. I need someone who sees the bad in me and still wants me.
156. We strongly advise you to rid yourself of the bad habit of smoking.
157. The workers had to lie off 3 days because of the bad weather.Sentencedict.com
158. I must say that bad news disquiet me a great deal.
159. Three children were removed from the school for persistent bad behaviour.
160. There is a general presumption that fatty foods are bad for your heart.
161. When something bad happens, there's no point in wishing it had not happened. The only option is to minimise the damage.
162. Children's negative feelings often get acted out in bad behaviour.
163. I'm not going to let him repair my bike again because he made a really bad job of it last time.
164. They are determined to erase the bad memories of last year's defeats.
165. Many electors didn't vote today because of the bad weather.
166. He's in Melanie's bad books because he arrived 2 hours late.
167. He felt dismal after reading a piece of bad news in the newspaper.
168. The quality of the book is diluted by the bad writing.
169. Steve was in a particularly bad mood when he got back.
170. In spite of the bad things he's done I still believe in his essential goodness.
171. Don't keep blaming your little sister for your bad behavior.
172. He had a bad fall while ice-skating but he laughed it off.
173. I don't deserve to be made the scapegoat for a couple of bad results.
174. There is a popular misconception that too much exercise is bad for you.
175. I know Vicky doesn't like the job, but I mightn't find it too bad.
176. I really wish there's a dark hole that would swallow up bad people.
177. He was recently fitted with a brace for his bad back.
178. They've had to cancel tomorrow's football match because of the bad weather.
179. He quit the show last year because of bad health.
180. Why do the good girls, always want the bad boys?