Bad vs Poor
When to use each in English, with meaning, register, and examples.
Bad
Top 1,000 (very common)A1adjective
Poor
Top 1,000 (very common)A1
| Bad | Poor | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/bæd/","/wɜːs/","/wɜːst/"]/🇺🇸 /["/bæd/","/wɜːrs/","/wɜːrst/"]/ | 🇬🇧 /["/pɔː(r)//pʊə(r)/"]/🇺🇸 /["/pʊr//pɔːr/"]/ |
| Meaning | not good or harmful | Having little money or resources |
| Example | That was a bad performance by the team. | She is in a poor condition after the accident. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A1 | A1 |
| Part of speech | adjective | |
| Collocations | be, look, sound, extremely, fairly, very, at, for, not half bad, be, look, sound, extremely, fairly, very, at, for, not half bad, be, look, sound, extremely, fairly, very, at, for, not half bad, be, look, smell, feel, extremely, fairly, very, about, be, look, sound, extremely, fairly, very, at, for, not half bad | poor health, poor quality, poor performance |
| Antonyms | good, excellent, positive | rich, wealthy, affluent |
| Common mistakes | Using 'bad' instead of 'badly' as an adverb: e.g., 'He performed bad' instead of 'He performed badly'., Confusing 'bad' with 'ill' when referring to health. 'Ill' is usually used in formal contexts., Saying 'more bad' instead of 'worse' for comparative form. | Confused with 'pore' (the skin opening), Using 'poor' as a noun (should use 'the poor'), Saying 'poorness', which is not standard |
| Usage notes | Use 'bad' to describe something that is of poor quality or morally wrong. It's generally appropriate in everyday conversation but can be too informal in professional settings. In formal writing, consider alternatives such as 'unfavorable' or 'detrimental'. | Use 'poor' to describe someone lacking money or in bad conditions. Avoid using it in formal reports where 'underprivileged' might be more suitable. |
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Frequently asked questions: Bad vs Poor
What's the difference between Bad and Poor?
Bad: not good or harmful Poor: Having little money or resources
Are Bad and Poor the same CEFR level?
Bad: A1, Poor: A1 on the CEFR scale.
Can I use Bad and Poor interchangeably?
Not always. Bad and Poor are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.