Definition of singleton noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈsɪŋɡltən//
    ; NAmE NAmE//ˈsɪŋɡltən//
    jump to other results
  1. 1a single item of the kind that you are talking about
  2. 2a person who is not married or in a romantic relationship
  3. 3a person or an animal that is not a twin, etc.
  4. Word Originlate 19th cent.: from single, on the pattern of simpleton.
See the Oxford Advanced American Dictionary entry: singleton