# backside

/ˈbækˌsaɪd/ (US) · /bˈæksaɪd/ (UK) · CEFR B1 · Noun

Source: https://englishreference.com/word/backside
Updated: 2026-05-07

## Definition

the part of your body that you sit on. It is a slightly funny or polite way to say 'bottom'.

For teachers: the buttocks or posterior of a person. Often used as a mild euphemism or in a lighthearted, humorous context.

## Examples

- He fell right on his backside while skating.
- After sitting in the hard plastic chair for three hours, my backside was completely numb.
- The comedian's routine relied heavily on physical humor, including several exaggerated falls that landed him squarely on his backside to the delight of the audience.

## Usage notes

- Commonly used in British English as a less vulgar alternative to other terms for the anatomy.

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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.