Definition, Meaning & Synonyms

sidepiece

noun
/ˈsīdpēs/
Definition
A sidepiece is a person with whom someone is engaged in a romantic or sexual relationship outside of their primary romantic partner.
Examples
  • He has a sidepiece that he keeps secret from his wife.
  • Many believe having a sidepiece can complicate relationships.
Meaning
Typically used to refer to someone who is not considered the main partner in a relationship, a sidepiece may be involved in a secondary or casual affair.
Synonyms
  • lover
  • mistress
  • paramour
  • bit on the side