1 other half | Definition of other half

other half

noun

Definition of other half

1 : a group of people who are not like someone because they are either very rich or very poor used in the phrase how the other half lives They won a million dollars and, for a few years, got to see how the other half lives.
2 chiefly British, old-fashioned + humorous : a person's wife or husband I don't believe we have anything planned for that night, but let me check with my other half.