Cool MateBad vs The boy's no good
When to use each in English, with meaning, register, and examples.
Bad
Top 1,000 (very common)A1adjective
The boy's no good
InformalTop 5,000 (fairly common)
Most formal: BadMost common: Bad
| Bad | The boy's no good | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/bæd/","/wɜːs/","/wɜːst/"]/🇺🇸 /["/bæd/","/wɜːrs/","/wɜːrst/"]/ | 🇬🇧 //ðə bɔɪz nəʊ ɡʊd//🇺🇸 //ðə bɔɪz noʊ ɡʊd// |
| Meaning | not good or harmful | The boy is bad or not useful. |
| Example | That was a bad performance by the team. | Everyone knows the boy's no good at following rules. |
| Register | Neutral | Informal |
| How common | Top 1,000 (very common) | Top 5,000 (fairly common) |
| CEFR level | 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 | no good at something, no good for someone, no good to anyone |
| Antonyms | good, excellent, positive | - |
| 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. | Misunderstanding as purely descriptive rather than evaluative., Using in overly formal contexts., Incorrectly assuming the phrase means the boy is physically unwell. |
| 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'. | This phrase is often used casually to express disapproval. It's suitable in informal contexts among friends, but may be seen as harsh or rude when discussing children with parents. |
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Frequently asked questions: Bad vs The boy's no good
What's the difference between Bad and The boy's no good?
Bad: not good or harmful The boy's no good: The boy is bad or not useful.
Which is more formal: Bad and The boy's no good?
Bad is the most formal of these.
Which is more common: Bad and The boy's no good?
Bad is the most common in everyday English.
Can you show an example of each?
Bad: That was a bad performance by the team. The boy's no good: Everyone knows the boy's no good at following rules.
Can I use Bad and The boy's no good interchangeably?
Not always. Bad and The boy's no good 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.