# bad for sb/sth

idiom · CEFR A1

Source: https://englishreference.com/idiom/bad-for-sb-sth
Updated: 2026-04-22

## Meaning

Harmful or having a negative effect on someone or something. Things that are bad for you might be unhealthy or cause problems.

## Examples

- Eating too much sugar is bad for your teeth.
- The doctor told him that smoking is bad for his health and he should stop.
- Constant stress in the workplace is undeniably bad for the long-term well-being and productivity of the entire team.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.