# bulge

/ˈbəɫdʒ/ (US) · /bˈʌldʒ/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/bulge
Updated: 2026-08-15

## Definition

a rounded part that sticks out from a flat surface. You use this to describe something that is swelling or pushing outward.

For teachers: a rounded protuberance or swelling that results from internal pressure or overcrowding. Refers to a physical displacement outward from an otherwise level or smooth surface.

## Examples

- I noticed a small bulge in the tire.
- The heavy wallet created a noticeable bulge in his back pocket as he sat down.
- Structural engineers monitored the slight bulge in the retaining wall, concerned that the recent heavy rains had increased the soil pressure beyond safe limits.

## Usage notes

- Often used with the preposition 'in' to indicate the location of the swelling.

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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.