# decaying

/dɪˈkeɪɪŋ/ (US) · /dɪkˈeɪɪŋ/ (UK) · CEFR B2 · Adjective

Source: https://englishreference.com/word/decaying
Updated: 2026-05-08

## Definition

rotting or slowly breaking down because of age or natural processes. You use this to describe things like old buildings or fallen leaves that are falling apart.

For teachers: undergoing a process of decomposition or gradual decline in quality, health, or structural integrity. Often used to describe organic matter or urban environments.

## Examples

- The forest floor is covered in decaying leaves.
- The city is trying to renovate several decaying buildings in the old industrial district to attract new businesses.
- The documentary explores the haunting beauty of decaying mansions, where peeling wallpaper and crumbling masonry tell the story of a forgotten era of architectural grandeur.

## Usage notes

- Typically used attributively before a noun to describe a state of rot or decline.

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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.