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one-sided affair

/ˌwʌn ˈsaɪd əˈfɛr/ · one.sid.ed af.fair
noun
  1. A romantic or social relationship in which one person has more emotional or physical involvement than the other. Her one-sided affair with the celebrity lasted for months, but he never even knew her name.
  2. A situation in which one party has more power or influence than the other, often leading to unfair or biased treatment. The company's one-sided affair with the government led to a series of corrupt business deals.
Did you know? The phrase 'one-sided affair' is often used to describe situations where one person is more invested in the relationship than the other, leading to feelings of frustration and resentment.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Aug 11, 2026