|Origin:||Perhaps from Old English bæddel 'male homosexual'|
bad1 S1 W1 comparative worse superlative worst
unpleasant or likely to cause problems [≠ good]:
I have some bad news for you.
I thought things couldn't possibly get any worse.
The plane was delayed for several hours by bad weather.
It's difficult to break bad habits.
a bad smell
low in quality or below an acceptable standard [≠ good]:
The failure of the company was due to bad management.
Your handwriting is so bad I can hardly read it.
That was the worst movie I've ever seen.
not sensible, or not suitable in a particular situation [≠ good]:
not sensible[usually before noun]
Cutting spending at this time is a bad idea.
Making big changes in your diet all at once is a bad thing to do.
morally wrong or evil [≠ good]: ➔ bad guy
He's a bad man - keep away from him.
doing something you should not do, or behaving in a wrong way - used especially about children or pets [= naughty]:
Katie was very bad today!
bad girl/dog etc
Bad cat! Get off the table!
serious or severe:
He was in a bad accident.
The pain in my side is worse than it was yesterday.
a time that is not suitable or causes problems:
It's a bad time to have to borrow money, with interest rates so high.
You've come at the worst possible moment. I have a meeting in five minutes.
damaging or harmful:
Pollution is having a bad effect on fish stocks.
It is bad for kids to be on their own so much.
food that is bad is not safe to eat because it has decayed:
This milk has gone bad.
having no skill or ability in a particular activity
bad at (doing) something
I'm really bad at chess.
They have got to be the worst band on the planet.
a heart, leg etc that is injured or does not work correctly:
I haven't been able to do much because of my bad back.
bad language is rude or offensive:
We were shocked to hear the little boy using bad language in front of his mother.
Jacky said a bad word!
13 also be in a bad temper British English
to feel annoyed or angry:
The boss is in a bad mood.
to feel ashamed or sorry about something
feel bad about (doing) something
I felt bad about not being able to come last night.
feel bad for
I feel bad for Ann - she studied so hard for that test and she still didn't pass.
to feel ill
used to say that something is good, or better than you expected:
'How are you?' 'Oh, not bad.'
That's not a bad idea.
used to say that something is not as bad as expected:
The exams weren't so bad.
used to say that you do not care that something bad happens to someone:
'I'm going to be late now!' 'Too bad, you should have gotten up earlier.'
used to say that you are sorry that something bad has happened to someone:
It's too bad that you couldn't come to the party last night.
to become even more unpleasant or difficult:
The schools have gone from bad to worse in this area.
to be very ill, unhappy, or injured, or not in a good condition:
She was in a bad way after the funeral.
if something has a bad name, people do not respect or trust it
have/get a bad name
The bar had a bad name and was avoided by all the locals.
give somebody/something a bad name
These annoying tourists give all Americans a bad name.
21 British English old-fashioned
someone who is morally bad or cannot be trusted
22 British English
someone or something that causes trouble and is difficult to avoid:
Sure enough, Steve turned up like the proverbial bad penny (=suddenly appeared).
23 British English informalMI
to become ill:
He was taken bad in the middle of the night.
if someone does something in bad faith, they are behaving dishonestly and have no intention of keeping a promise:
In order to sue, you have to prove that the company was acting in bad faith.
25 spoken informal
someone or something that always causes trouble:
I'd avoid her if I were you. She's bad news.
26 British English old-fashioned
socially unacceptable behaviour:
It's bad form to argue with the umpire.
angry or bitter feelings between people
bad blood between
There's too much bad blood between them.
if no one has a bad word to say about a particular person, everyone likes and respects that person
used to say that you already have one problem, so that you do not want to worry about or deal with another one:
It's bad enough having to bring up three kids on your own without having to worry about money as well!
used to persuade someone that something is good or worth doing:
You only pay £10 deposit and no interest: that can't be bad, can it?
31 comparative badder, superlative baddest especially American English spoken informal
used when you think something is very good:
Now that's a bad car!
someone who is bad is very determined and does not always obey rules - used to show approval
—badness noun [uncountable]WORD FOCUS: bad
very bad: awful, terrible, horrible, lousy informal, appalling, ghastly, atrocious, horrendous
bad, but not very bad: not very good, mediocre, second-rate, so-so, lacklustre
of bad quality: shoddy, inferior, poor quality, cheap, crummy informal
bad at doing something: be no good at something
very bad at doing something: hopeless, terrible, useless, lousy informal, incompetent
morally bad: evil, wicked, immoral, corrupt, sick, perverted, degenerate