(noun) Error, mistake.
"The advantage of a bad memory is that one enjoys several times the same good things for the first time."
"There are no bad words. Bad thoughts. Bad intentions, and wooooords."
"Laughter is not at all a bad beginning for a friendship, and it is by far the best ending for one."
"By all means marry; if you get a good wife, you’ll become happy; if you get a bad one, you’ll become a philosopher."
"When people see some things as beautiful, other things become ugly. When people see some things as good, other things become bad."
"History, in general, only informs us what bad government is."
"There was never a bad peace or a good war."
"If a man talks bad about all women, it usually means he was burned by one woman."
"There are no bad pictures; that's just how your face looks sometimes."
"The children now love luxury; they have bad manners, contempt for authority; they show disrespect for elders and love chatter in place of exercise."
"Loss is not as bad as wanting more."
"It is better to offer no excuse than a bad one."