# affair Partner

idiom

Source: https://englishreference.com/idiom/affair-partner
Updated: 2026-08-10

## Meaning

A person with whom one is having an extramarital or unfaithful relationship; the third party in an affair.

## Examples

- He left his wife for his affair partner.
- The scandal broke when the press photographed the politician meeting his affair partner at a hotel.
- The discovery of the secret correspondence revealed that he had been maintaining a long-term relationship with his affair partner for several years.

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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.