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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91. Bad weather scrambled the air schedules.
92. Good or bad we must all live.
93. He is really bad at making decisions.
94. My bad leg is really giving me gyp today.
95. All flights have been cancelled because of bad weather.
96. She looked as if she'd had some bad news.
97. His mother reproached him for his bad manners.
98. Bad habits are easy to contract.
99. The child's clothes were in bad state of repair.
100. His bad temper was aggravated by his headache.
101. Their consignment of bananas was / were bad.
102. Happiness is good health and a bad memory.
103. The good seaman is known is bad weather.
104. A depression usually brings bad weather.
105. The bad weather delayed the departure of the steamer.
106. We condemned him for his bad conduct.
107. Bad times make a good man.
108. I was in a terrible bad way.
109. The child's clothes were in bad repair .
110. Bad diction marred the effectiveness of his speech.
111. Fire is a good servant but a bad master.
112. You can't take photographs if the light is bad.
113. Business has been bad this year.
114. He was utterly dumbfounded at the bad news.
115. Exhaust fumes are bad for your health.
116. If bad posture becomes habitual(sentencedict.com), you risk long-term effects.
117. He protested against the bad treatment.
118. The bad weather has been fairly general .
119. Bad food is a source of illness.
120. Children who have had bad experiences fear rejection.