# rue the day

idiom

Source: https://englishreference.com/idiom/rue-the-day
Updated: 2026-08-10

## Meaning

To seriously regret one's actions.

## Examples

- You will rue the day you lied to me.
- If you continue to ignore your health, you will surely rue the day you decided to skip your doctor's appointments.
- The king realized too late that his betrayal of the alliance would cause him to rue the day he chose power over loyalty.

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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.