# die out

idiom

Source: https://englishreference.com/idiom/die-out
Updated: 2026-08-10

## Meaning

To become extinct.

## Examples

- Many ancient animals died out a long time ago.
- Scientists worry that if the forest disappears, many rare birds will die out within a few years.
- As the climate shifted rapidly, the isolated population of mountain plants began to die out, leaving no trace of their existence for future generations.

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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.