# undefeated

/ˌəndɪˈfitɪd/ (US) · /ˌʌndɪfˈiːtɪd/ (UK) · CEFR B2 · Adjective

Source: https://englishreference.com/word/undefeated
Updated: 2026-05-03

## Definition

having never lost a game, fight, or competition. You use this to describe a team or person with a perfect record.

For teachers: having suffered no defeats in a series of contests or competitions. Often used to describe a sports team's season or a professional fighter's career record.

## Examples

- The local football team remains undefeated this season.
- After twelve professional matches, the boxer is still undefeated and holds the championship belt.
- Maintaining an undefeated record throughout a long tournament requires not only physical stamina but also the mental resilience to perform under the pressure of high expectations.

## Usage notes

- Typically used as a predicative adjective following a linking verb like 'remain' or 'stay'.

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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.