single man; unmarried man

to live as a bachelor; to live alone without a partner

to remain unmarried or live as a bachelor; used specifically for an adult male who has never married, is widowed, or is divorced

(colloquial) single woman; spinster; old maid; unmarried woman who is often older

unmarried man or single man; variant form of a term for an eligible male living alone

An unofficial holiday for single people on November 11th; it has become the world's largest annual online shopping day.

a poor single man of peasant background or lower-class origins

(colloquial) a man who has reached an older age without getting married

To behave in a rogue-like or unruly manner; to idle around or live by one's wits