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[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.
Origin of singleton
First recorded in 1875-80; single + -ton Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for singleton
Contemporary Examples
Historical Examples
  • singleton can probably do no more harm today,” went on the quiet voice.

    The Treasure Trail Marah Ellis Ryan
  • singleton, and therefore Conrad, would only have the management up to that time.

    The Treasure Trail Marah Ellis Ryan
  • Conrad had halted a moment after singleton climbed out of the car.

    The Treasure Trail Marah Ellis Ryan
  • “A manager has to have a free hand, Billie, or else be let go,” explained singleton.

    The Treasure Trail Marah Ellis Ryan
  • singleton painfully sketched in a heavy cross, blotted the page.

British Dictionary definitions for singleton


(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
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
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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
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