/ bæd; NAmE / adjective , noun , adverb
( worse / wɜːs; NAmE wɜːrs/ worst / wɜːst; NAmE wɜːrst/)
unpleasant; full of problems :
bad news / weather / dreams / habits
I'm having a really bad day.
It was the worst experience of her life.
Smoking gives you bad breath.
Things are bad enough without our own guns shelling us.
of poor quality; below an acceptable standard :
bad conditions / driving
a bad copy / diet
I thought it was a very bad article.
This isn't as bad as I thought.
That's not a bad idea.
NOT GOOD AT STH
bad at sth / at doing sth ( of a person ) not able to do sth well or in an acceptable way
SYN poor :
a bad teacher
You're a bad liar!
He's a bad loser (= he complains when he loses a game) .
She is so bad at keeping secrets.
serious; severe :
You're heading for a bad attack of sunburn.
The engagement was a bad mistake.
My headache is getting worse.
[ only before noun ] not appropriate in a particular situation :
I know that this is a bad time to ask for help.
He now realized that it had been a bad decision on his part.
morally unacceptable :
The hero gets to shoot all the bad guys.
He said I must have done something bad to deserve it.
[ usually before noun ] ( especially of children ) not behaving well
SYN naughty :
Have you been a bad boy?
[ not before noun ] bad for sb/sth harmful; causing or likely to cause damage :
Those shoes are bad for her feet.
Weather like this is bad for business.
[ usually before noun ] ( of parts of the body ) not healthy; painful :
I've got a bad back.
not safe to eat because it has decayed :
Put the meat in the fridge so it doesn't go bad .
TEMPER / MOOD
bad temper / mood the state of feeling annoyed or angry :
It put me in a bad mood for the rest of the day.
GUILTY / SORRY
feel ~ to feel guilty or sorry about sth :
She felt bad about leaving him.
Why should I want to make you feel bad?
ILL / SICK
feel / look ~ to feel or look ill / sick :
I'm afraid I'm feeling pretty bad.
( bad·der , bad·dest ) ( slang , especially NAmE ) good; excellent
Most idioms containing bad are at the entries for the nouns and verbs in the idioms, for example be bad news (for sb/sth) is at news .
- can't be bad
- have got it bad
- not bad
- too bad
the bad [ U ] bad people, things, or events :
You will always have the bad as well as the good in the world.
- go to the bad
- my bad
- take the bad with the good
- to the bad
( NAmE , informal ) badly :
She wanted it real bad.
Are you hurt bad?
bad and very bad
Instead of saying that something is bad or very bad , try to use more precise and interesting adjectives to describe things:
an unpleasant /a foul /a disgusting smell
appalling / dreadful / severe weather
an unpleasant /a frightening /a traumatic experience
poor / weak eyesight
a terrible / serious / horrific accident
a wicked /an evil /an immoral person
an awkward /an embarrassing /a difficult situation
We were working in difficult / appalling conditions.
To refer to your health, you can say: I feel unwell / sick / terrible ; I don't feel (very) well .
In conversation, words like terrible , horrible , awful and dreadful can be used in most situations to mean 'very bad'.
Middle English : perhaps from Old English bǣddel hermaphrodite, womanish man .