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See also: 20 and 20.




  1. (technology, Internet) The second version of something.

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From the ellipsis of (version + ) 2 + . + 0, as used in the identification of product versions, especially in the software industry.


  • (US) IPA(key): /tu pɔɪnt oʊ/, [tʰu̟ pʰɔ̃ɪ̃ˈnoʊ]


2.0 (not comparable)

  1. (postpositive) A second major version of something or, figuratively, of someone; a substantial improvement.
    • 2007 January 24, Paul West, “Despite Woes, Bush Shows Resolve”, in The Sun, Baltimore, MD:
      Later that year, Bush 2.0 was launched, when he stood before Congress to reassure a nation unhinged by the terror of Sept. 11
    • 2010, Jeffrey M. Stonecash, New Directions in American Political Parties, page 230:
      Dubbed “Barack Obama 2.0” by insiders, the plan called for hiring full-time organizers to mobilize the Internet-based grassroots network
    • 2011 February 7, “Christina Aguilera's anthem not so Super”, in Chicago Tribune:
      We need a new draft for 2011, because in America 2.0, our national anthem should be almost tweet-able.
    • 2022 August 22, Alexander Clapp, “The Rot at the Heart of Greece Is Now Clear for Everyone to See”, in The New York Times[1], →ISSN:
      The “Greece 2.0” Mr. Mitsotakis promised, it turns out, is just more of the same.

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