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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
bad
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word 'bad' is correct and usable in written English.
You can use it to describe something that is not good or of poor quality. For example, "The food at the restaurant was bad."
✓ Grammatically correct
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
No deal is better than a bad deal.
News & Media
But that's not necessarily a bad thing.
News & Media
FIRST, the bad news.
News & Media
Bad luck?
News & Media
It's a bad thing.
News & Media
What happened four months ago is forgotten, whether that's good, bad or indifferent.
News & Media
Not so bad.
News & Media
"It was really bad.
News & Media
Not bad.
News & Media
That was bad.
News & Media
"It makes the rest of us look bad".
News & Media
Expert writing Tips
Best practice
When using "bad" in formal writing, ensure it aligns with the overall tone and doesn't sound overly informal. More sophisticated vocabulary may be appropriate.
Common error
Avoid relying solely on "bad" in formal writing. Explore synonyms such as "unfavorable", "deficient", or "substandard" to add nuance and sophistication to your expression.
Source & Trust
94%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "bad" is as an adjective, modifying nouns to indicate a negative or undesirable quality. Ludwig AI confirms its usability. For example, "bad deal", "bad luck", "bad news". It can also function as a noun meaning badness (e.g., "Sorry, my bad!").
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "bad" is a versatile adjective used to express negativity or poor quality, as validated by Ludwig AI. It is grammatically sound and appears frequently across various sources, especially in News & Media. While generally acceptable, more formal synonyms may be appropriate in specific contexts to add precision. When writing, be mindful of the level of formality required and use "bad" accordingly.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
not good
Focuses on the absence of positive qualities rather than directly stating negativity.
unfavorable
Emphasizes a lack of advantage or suitability.
poor
Highlights a deficiency in quality or condition.
terrible
Conveys a strong sense of unpleasantness or inferiority.
awful
Similar to "terrible", but can also imply a sense of fear or dread.
dreadful
Emphasizes a sense of intense dislike or aversion.
substandard
Indicates that something fails to meet a required level of quality.
deficient
Stresses a lack of something essential or necessary.
inferior
Indicates a lower rank or quality compared to something else.
unpleasant
Focuses on the disagreeable or displeasing nature of something.
FAQs
How can I use "bad" in a sentence?
"Bad" can be used to describe something of poor quality, unfavorable conditions, or negative experiences. For example, "The weather today is bad", or "That was a bad decision".
What are some alternatives to using "bad"?
Depending on the context, you can use alternatives like "not good", "unfavorable", "poor", or "terrible".
Is it grammatically correct to say "badly" instead of "bad"?
While "bad" is an adjective, "badly" is an adverb. You'd use "bad" to describe a noun (e.g., "a bad apple") and "badly" to describe a verb (e.g., "He performed badly").
When is it appropriate to use "bad" versus more formal vocabulary?
"Bad" is generally acceptable in most contexts. However, in formal or professional settings, consider using more precise and sophisticated alternatives such as "unfavorable", "substandard", or "deficient" depending on the specific nuance you want to convey.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
94%
Authority and reliability
4.8/5
Expert rating
Real-world application tested