Synonyms for affair Found 11 synonyms across 3 meanings for “affair”. a vaguely specified concern (noun) matterthing a usually secretive or illicit sexual relationship (noun) affaireintimacyliaisoninvolvementamour a vaguely specified social event (noun) occasionfunction Explore Related Words Rhymes with affairSynonyms for matterSynonyms for thingSynonyms for affaireSynonyms for intimacySynonyms for liaison Synonym Finder | Rhyme Finder | Poetry Editor