- a socioeconomic group other than one's own, esp. a wealthier one: with the
- Informal, Chiefly Brit. one's spouse
other halfother half
- A person's spouse or romantic partner.
- A person to whom one feels very close, especially a twin.
- Those whose socioeconomic position contrasts markedly with one's own: see how the other half lives.
Origin of other halfPossibly on the model of better half
(plural other halves)
- (idiomatic) A spouse.