Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - The playing card that is the only card in a suit held in a bridge hand as initially dealt; A set containing one member; A lone object (as distinguished from a pair).

Usage examples (38)
  • Noun : a research program involving twins and singletons
  • There are of course things called singleton ORFans.
  • The core problem of a singleton is the global, shared state.
  • A singleton is a class for which only one object should be created (and shared). for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.