# hear the grass grow

idiom

Source: https://englishreference.com/idiom/hear-the-grass-grow
Updated: 2026-08-10

## Meaning

To have an extremely sensitive sense of hearing.

## Examples

- She has such sharp ears that she can almost hear the grass grow.
- My grandfather claims he can hear the grass grow because he notices every tiny sound in the house at night.
- The detective sat in the silent room, listening with such intense focus that he felt as though he could hear the grass grow outside.

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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.