Not good vs Poor

When to use each in English, with meaning, register, and examples.

Not good

Top 2,000 (common)

Poor

Top 1,000 (very common)A1
Most common: Poor
 Not goodPoor
Pronunciation🇬🇧 //nɒt ɡʊd//🇺🇸 //nɑt ɡʊd//🇬🇧 /["/pɔː(r)//pʊə(r)/"]/🇺🇸 /["/pʊr//pɔːr/"]/
MeaningSomething that is bad or unsatisfactory.Having little money or resources
ExampleThe food at the restaurant was not good at all.She is in a poor condition after the accident.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR level-A1
Collocationsnot good enough, not good at, not good forpoor health, poor quality, poor performance
Antonyms-rich, wealthy, affluent
Common mistakes'Not good' is sometimes confused with 'bad', but they can have different tones., Learners may use 'not good' in every context; it's more informal., Some might incorrectly use 'not good' as a standalone response without context.Confused with 'pore' (the skin opening), Using 'poor' as a noun (should use 'the poor'), Saying 'poorness', which is not standard
Usage notesUse 'not good' in informal conversations to express dissatisfaction. In formal settings, consider using 'unsatisfactory' or 'below expectations'.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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Not good
Poor

Frequently asked questions: Not good vs Poor

What's the difference between Not good and Poor?

Not good: Something that is bad or unsatisfactory. Poor: Having little money or resources

Which is more common: Not good and Poor?

Poor is the most common in everyday English.

Can you show an example of each?

Not good: The food at the restaurant was not good at all. Poor: She is in a poor condition after the accident.

Can I use Not good and Poor interchangeably?

Not always. Not good 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.

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