# polyester

/ˌpɑˌɫiˈɛstɝ/ (US) · /pˈɒlɪəstɐ/ (UK) · CEFR B1 · Noun

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

## Definition

a strong, man-made material used to make clothes and other fabrics. It is popular because it does not wrinkle easily and dries quickly.

For teachers: a synthetic resin in which the polymer units are linked by ester groups, primarily used to manufacture textile fibres.

## Examples

- This shirt is made of a soft polyester blend.
- Many outdoor clothing brands use recycled polyester to create durable jackets that resist wind and rain.
- While natural fibres like cotton offer breathability, polyester provides superior durability and elasticity, making it a staple in the mass production of contemporary athletic apparel.

## Usage notes

- Uncountable when referring to the material in general; countable when referring to specific chemical varieties or types of fabric.

---

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.