# have seen one's day

idiom

Source: https://englishreference.com/idiom/have-seen-ones-day
Updated: 2026-08-10

## Meaning

Of a person, thing, idea, etc., to be at the point in a life cycle or career of no longer being useful or effective; to be worn-out.

## Examples

- That old computer has seen its day.
- The manager decided to replace the software because it had clearly seen its day.
- Although the traditional manufacturing methods had seen their day, the company struggled to adapt to the new digital standards.

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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.