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bad

bad

355 1.0
Not working properly or in poor condition
  • adjective
  • /bæd/
: defectuoso
  • The doctor warned her that her recent symptoms were a sign of bad health.
  • in bad health

And you see a lot of climbers have bad posture like this.

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Examples

  • Well, I've got a bad back just like you, Brett.

  • But my mum's mental health was bad at the time, really bad.

  • All right, so first question, can bad sleep kill?

  • Now I know this looks bad, but we'll fix it.

  • Why is this game so bad at running in full screen?

  • This is a bad idea.

  • The United States' position in the world today is not nearly as bad as some claim.

    Academic text (2008)
  • The roads were that bad.

  • For example, it seems safe to say that most adults would recognize a bad orchestra concert.

    Academic text (1999)
  • The furnishings that came with the apartment weren't as bad as they might have been.

    Fiction book (1990)

Synonyms

terrible
vsbad
∞ 1.0

Very bad or unpleasant and often serious

is a general term covering faults, illness, or poor condition without extreme intensity
crappy
vsbad
  • NSFW
187 7.5

Very bad or of low quality

also applies to illness, damage, or serious failure beyond poor quality
101 6.1

Not working properly or doing its job

also includes physical illness or structural damage causing poor condition
faulty
vsbad
71 3.5

Not working correctly because a part is broken or wrong

covers all poor health, damage, or functional failure
defective
vsbad
69 3.9

Having a fault that makes something not work properly

is broader, covering poor condition, illness, or general malfunction
unfit
vsbad
21 3.0

Not healthy in body or mind

refers also to objects or systems that fail or are damaged
inoperable
vsbad
8 7.1

You cannot use it because it does not work

may include lesser problems like damage, illness, or partial failure
junky
vsbad
  • Informal
8 4.8

Poor quality and likely to break quickly

includes health and functioning issues, not only low quality construction
unsound
vsbad
2 5.4

Physically damaged or unhealthy

covers malfunction and general poor health beyond structural unsafety
poorish
vsbad
  • Informal
4.6

Not very good in quality or condition

can indicate severe damage, disease, or complete malfunction rather than mild shortfall

Antonyms

800 1.0

In good body and mind condition without sickness or injury

65 3.2

Working correctly so it can be used

Idioms

not bad
  • Informal
938 3.0

Better than expected and quite good

too bad
  • Informal
536 3.3

Saying that something is unfortunate or disappointing

my bad
  • Informal
62 8.4

A short casual phrase to admit you made a mistake

14 6.0

Very sick or having serious money problems

not half bad
  • Informal
8 7.4

Better than you expected

An unpleasant feeling of dislike after an experience

Make someone or something look bad to other people

To keep spending money on something that is already failing

3 7.9

To put someone into a bad or difficult situation because of bad luck

bad penny
  • Informal
3 7.7

Something unwanted that keeps coming back

on bad terms
  • Informal
2 3.6

Not friendly with someone because of a disagreement

A time when someone has trouble

in bad odor
  • Archaic
1 9.3

Not liked or trusted by other people after doing something wrong

1 9.9

When people use bad money, they keep better money and it disappears

Put someone into a difficult situation they cannot control because of bad luck

Speak badly about someone or something to other people

Compounds

bad guy
  • Informal
612 3.0

A person who goes against others or causes harm

534 1.0

Unpleasant information that makes you feel sad or upset

334 2.3

A choice or plan that will probably cause problems

201 1.0

Unlucky events that happen by chance

bad person
  • Offensive
154 1.6

A person who harms others on purpose or does wrong things

bad boy
  • Informal
118 6.1

A man who breaks rules and seems exciting but causes trouble

73 2.4

A choice that is not good and causes problems later

71 3.6

A sense that something bad may happen

50 1.0

Weather that makes being outside unpleasant, often with rain or strong wind

36 4.1

An unpleasant feeling that stays after something rude or upsetting

34 2.5

A remark meant to make people laugh that is not funny or is rude

bad blood
  • Informal
32 4.8

A feeling of anger or dislike between people that often leads to hostility

27 5.3

Dishonest or harmful actions by a company and its workers that damage trust

bad apple
  • Informal
25 4.4

A person in a group who causes trouble for others

20 3.4

A habit of getting angry easily and staying in a bad mood

Big Bad Wolf
  • Literature
18 3.2

A wolf in children's stories who hurts or tricks people

16 6.5

A person who behaves badly and damages a group or its work

bad check
  • Specialized
16 3.5

A check from an account without enough money that the bank does not pay

bad hair day
  • Informal
14 4.6

A day when someone's hair looks messy and they feel unhappy about it

14 1.6

Rude behavior that breaks normal social rules

bad debt
  • Specialized
11 4.1

A debt that a person who borrowed money cannot or will not pay back

bad egg
  • Offensive
7 5.6

A person who cannot be trusted and may lie or steal

5 3.7

People who can make you behave badly or get into trouble

5 3.7

A disappointing finish to a story, event, or experience

5 4.4

A record of past bad actions that makes people not trust a person or organization

4 7.2

A treatment that is not helpful or is unpleasant but sometimes needed to make you better

3 3.9

Poor lighting that makes it hard to see

2 5.4

A situation where people are not friendly and do not trust each other

the bad place
  • Informal
2 8.7

A place believed to be for punishment after death or a very bad situation

2 4.6

A purchase or deal that leaves you worse off

bad touch
  • Offensive
2 9.0

Unwanted physical contact that makes someone feel scared or uncomfortable

bad fairy
  • Literature
2 7.4

A fairy who wants to harm people or cause trouble

big and bad
  • Informal
2 6.8

Very large and so strong that it scares or impresses people

bad boy image
  • Informal
1 6.3

An attractive look of not following rules, often in men

1 3.3

Not polite when you are with other people

1 6.8

A dry area of eroded rock with few plants in western South Dakota and Nebraska

bad hat
  • Offensive
1 8.3

A person who causes trouble on purpose or acts dishonestly

bad actor
  • Specialized
1 8.1

A software tool that attacks or steals data from a computer system

bad block
  • Specialized
1 7.7

A part of a disk where data cannot be read or written because it is damaged

bad block
  • Specialized
7.5

A block in a blockchain that the network computers do not accept because it breaks the rules

bad looker
  • Offensive
8.4

A person who many people think is not good looking

7.9

A time when a team or person keeps getting bad results

How Defective

unusable
15 2.3
broken
∞ 1.0
defective
69 3.9
bad
355 1.0
faulty
24 3.5
imperfect
73 3.5

Surface Forms

bad positive
worse comparative
worst superlative

Etymology

Bad started out meaning 'not good', so people used it for objects that do not work as they should. That is why bad can mean 'defective' or 'not working properly'.