Another word for bad
The best other words for bad are poor, harmful, wrong and wrongdoer.
- Most formal
- miscreant, poor, inferior
- Strongest
- shoddy, lousy, terrible
- Casual
- shoddy, lousy, terrible
- Instead of “pretty bad”
- awful, quite bad, terrible
Bad /bæd/ (adjective, noun, adverb): of low quality, unfavorable, or undesirable; also used for harmful, serious, or morally wrong things depending on context. In simple words: Not good, unsafe, immoral, or acting like a bad person. Below are 28 rated synonyms across 4 senses, plus 30 more related words. Tap a chip for its nuance and an example.
28 synonyms shown
Poor quality · adjective
not good; below standard
Harmful or serious · adjective
causing pain, trouble, or danger
Morally wrong · adjective
wrong in an ethical or social sense
A bad person · noun
someone who behaves badly or immorally
Find the right strength and register
Drag the amber target to how strong and how formal you need the word to be. The three closest synonyms light up.
You asked for: equal strength, neutral register
- poor — more neutral and evaluative; less blunt
- inferior — emphasizes lower rank or quality
- substandard — suggests failing to meet a required standard
The dashed ring marks “bad” itself: neutral strength, neutral register.
Synonyms for bad in your sentence
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How to choose
Choose the most specific synonym for the kind of badness you mean: poor for quality, harmful or dangerous for effects, and immoral or unethical for conduct. Avoid piling up strong negatives like terrible and awful unless you want a clearly emphatic or informal tone.
Antonyms of bad
All synonyms at a glance
| Synonym | Strength | Formality | Best for |
|---|---|---|---|
| poor | 3/5 | formal | academic, business, casual |
| inferior | 3/5 | formal | academic, business |
| substandard | 3/5 | formal | academic, business |
| deficient | 3/5 | formal | academic, business |
| shoddy | 4/5 | casual | business, casual |
| lousy | 4/5 | slang | casual |
| terrible | 4/5 | casual | casual, business |
| harmful | 3/5 | neutral | academic, business, creative |
| damaging | 3/5 | neutral | academic, business, creative |
| dangerous | 3/5 | neutral | academic, business, casual |
| serious | 3/5 | neutral | academic, business, casual |
| grave | 4/5 | formal | academic, business |
| severe | 4/5 | formal | academic, business |
| critical | 4/5 | formal | academic, business |
| wrong | 3/5 | neutral | academic, business, casual |
| immoral | 4/5 | formal | academic, business |
| unethical | 4/5 | formal | academic, business |
| dishonest | 3/5 | neutral | academic, business, casual |
| corrupt | 4/5 | formal | academic, business |
| wicked | 4/5 | casual | creative, casual |
| naughty | 2/5 | casual | creative, casual |
| wrongdoer | 3/5 | formal | academic, business |
| villain | 4/5 | neutral | creative, casual |
| offender | 3/5 | formal | academic, business |
| crook | 4/5 | slang | casual |
| sinner | 3/5 | neutral | creative, casual |
| delinquent | 3/5 | formal | academic, business |
| miscreant | 4/5 | academic | creative |
Instead of “very bad”
One precise word usually beats an intensifier. See the full words instead of “very” list.
| Instead of | Try |
|---|---|
| pretty bad | awful, quite bad, terrible |
| really bad | very bad, terrible, awful |
| bad for | harmful to, unhealthy for, unhelpful for |
More words related to bad
Looser matches and phrases, unrated. Check the sense before you swap one in, or compare it with “bad”.
- unpleasant
- awful
- atrocious
- dreadful
- appalling
- poorly made
- cheap
- faulty
- defective
- unsatisfactory
- unsound
- unhealthy
- unsafe
- risky
- hazardous
- toxic
- unwholesome
- noxious
- villainous
- evil
- sinful
- vile
- nasty
- unkind
- mean
- cruel
- rebellious
- misbehaving
- rude
- ungood
Questions about synonyms for bad
What is the most formal or academic synonym for bad?
It depends on the sense. For quality, substandard or deficient are often the most formal choices; for harm, severe or grave fit well; and for morality or conduct, unethical is usually the best formal option.
What is a stronger synonym for bad, and what is a milder one?
Stronger informal options include awful, terrible, and lousy, depending on context. Milder or more restrained choices include poor, wrong, or substandard.
When should I avoid using bad and choose a more precise word?
Use a more specific synonym when you want to sound exact, especially in writing about performance, health, safety, or ethics. Bad is broad and natural, but it can be vague if the reader needs to know whether something is low quality, harmful, or morally wrong.
What is a more polite word for bad?
It depends on the meaning. For quality, you can say poor, inferior, or unsatisfactory; for behavior, you can say inappropriate, unfair, or unkind.
What is another word for bad in a simple way?
A simple replacement is not good. Depending on the context, you might also use awful, harmful, wrong, or mean.