bachelor - definition and synonyms

noun [countable] 

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/ˈbætʃələ(r)/
singularbachelor
pluralbachelors
  1. a man who has never been married. It is more usual to say that someone who is not married is single. An eligible bachelor is one who many women want to marry because he is rich and attractive. A confirmed bachelor is a man who does not intend ever to get married.