# lost errand

idiom

Source: https://englishreference.com/idiom/lost-errand
Updated: 2026-08-10

## Meaning

Synonym of fool's errand.

## Examples

- Looking for that closed shop is a lost errand.
- Searching for the missing keys in the dark park was a lost errand, so we gave up.
- The detective realized that chasing the phantom lead through the city was a lost errand, yet he persisted against his better judgment.

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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.