# harp on one string

idiom

Source: https://englishreference.com/idiom/harp-on-one-string
Updated: 2026-08-10

## Meaning

To dwell on a single subject with disagreeable or wearisome persistence.

## Examples

- Please stop harping on one string about my messy room.
- He kept harping on one string about the project budget until everyone in the meeting felt exhausted.
- Despite the committee reaching a final decision, the chairman continued to harp on one string, repeating his original objections until the members grew visibly impatient.

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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.