misalliance

/ˌmɪsəˈlaɪəns/
noun
  1. An unsuitable or inappropriate marriage or romantic partnership, often due to differences in social class, background, or values.
    • The novel tells the story of a misalliance between a wealthy heiress and a poor artist.
    • Her parents disapproved of the marriage, calling it a misalliance because of their different social standings.
    • In the 19th century, a misalliance could bring shame to a noble family.
  2. A mismatched or unsuitable combination or association of any kind, such as in business or politics.
    • The partnership turned out to be a misalliance, as the two organizations had very different goals.
    • Historians view the treaty as a misalliance that only worsened tensions between the nations.
    • The merger was a misalliance from the start, with both companies having conflicting cultures.
Antonyms
What does "misalliance" mean? | whatsthatwordmean | whatsthatwordmean