Mischievous; tending to misbehave or act badly (especially of a child). from 17th c.
“Some naughty boys at school hid the teacher’s lesson notes.”
Sexually provocative; now in weakened sense, risqué, cheeky. from 19th c.
“I bought some naughty lingerie for my honeymoon.”
“If I see you send another naughty email to your friends, you will be forbidden from using the computer!”
Evil, wicked, morally reprehensible. from 15th c.
Bad, worthless, substandard. 16th-19th c.
Unfavorable; negative; not good.
“You have bad credit.”
“The weather looks pretty bad right now.”
“Don’t talk to him; he’s in a bad mood.”
Not suitable or fitting.
“Do you think it is a bad idea to confront him directly?”
Not appropriate, of manners etc.
“It is bad manners to talk with your mouth full.”
Unhealthy; liable to cause health problems.
“Lard is bad for you. Smoking is bad for you, too. Grapes are bad for dogs but not for humans.”
Sickly, unhealthy, unwell.
“Joe’s in a bad way; he can’t even get out of bed.”
“I went to the hospital to see how my grandfather was doing. Unfortunately, he’s in a bad state.”
“I’ve had a bad back since the accident.”
Tricky; stressful; unpleasant.
“Divorce is usually a bad experience for everybody involved.”
“Be careful. There are bad people in the world.”
Faulty; not functional.
“I had a bad headlight.”
, rotten, overripe.
“These apples have gone bad.”
“Bad breath is not pleasant for anyone.”
False; counterfeit; illegitimate.
“They were caught trying to pass bad coinage.”
Unskilled; of limited ability; not good.
“I’m pretty bad at speaking French.”
“He’s a bad gardener; everything he tries to grow ends up dying.”
Of poor physical appearance.
“I look really bad whenever I get less than seven hours of sleep.”
“I don’t look bad in this dress, do I?”
Bold and daring.
“He is in bad need of a haircut.”
Overly promiscuous, licentious.
“You is SIC bad, man!”
“I didn’t do too bad in the last exam.”
“Sorry, my bad!”
An item (or kind of item) of merchandise with negative value; an unwanted good.
form of Alternative past tense|bid. See bade.
To shell (a walnut).
(especially of a child) badly behaved; disobedient
“you’ve been a really naughty boy”
mildly rude or indecent, typically because related to sex