# expandable

/ɪkˈspændəbəɫ/ (US) · /ɛkspˈændəbəl/ (UK) · CEFR B2 · Adjective

Source: https://englishreference.com/word/expandable
Updated: 2026-05-30

## Definition

able to get bigger or stretch out when you need more space. You use this to describe things like bags, tents, or even your mind.

For teachers: capable of being enlarged, stretched, or extended in size, volume, or scope. Often used to describe physical objects or abstract concepts like memory and data storage.

## Examples

- The backpack is expandable so you can carry more gear.
- The software uses an expandable memory system that allows users to add more storage as their needs grow.
- While the initial design was compact, the architect specified expandable walls that could be moved to create a larger living space for the family as they grew.

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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.