# swear off

idiom

Source: https://englishreference.com/idiom/swear-off
Updated: 2026-08-10

## Meaning

To quit or cease completely, or to promise to quit, as a bad habit.

## Examples

- I decided to swear off sugar for a month.
- After feeling tired for weeks, he decided to swear off caffeine to improve his sleep quality.
- Following the doctor's stern warning about his health, he finally swore off his lifelong habit of smoking.

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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.