[ sing-guh l-tuh n ]
/ ˈsɪŋ gəl tən /


a person or thing occurring singly, especially an individual set apart from others.
  1. a child or animal that is the only one born at one birth: a research program involving twins and singletons.
  2. an only child in a family.
Chiefly British. an unmarried person; a single.
Cards. a card that is the only one of a suit in a hand.
Mathematics. a set consisting of one given element.

Nearby words

  1. singles,
  2. singles bar,
  3. singlestick,
  4. singlesticker,
  5. singlet,
  6. singletrack,
  7. singletree,
  8. singlish,
  9. singly,
  10. singsong

Origin of singleton

First recorded in 1875–80; single + -ton Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for singleton

British Dictionary definitions for singleton


/ (ˈsɪŋɡəltən) /


bridge an original holding of one card only in a suit
a single object, individual, etc, separated or distinguished from a pair or group
maths a set containing only one member
a person who is neither married nor in a relationship

Word Origin for singleton

C19: from single, on the model of simpleton

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for singleton



"single card of a suit in a hand," 1876, originally in whist, from single (adj.); cf. simpleton, etc. Extended early 20c. to other instances of singularity.

Online Etymology Dictionary, © 2010 Douglas Harper