Definition of Wi-Fi in English:

Wi-Fi

noun

trademark
  • A facility allowing computers, smartphones, or other devices to connect to the Internet or communicate with one another wirelessly within a particular area.

    • ‘It will also deploy a Wi-Fi network to keep assorted hacks and photographers in touch.’
    • ‘While Wi-Fi is becoming a standard feature on notebooks, network coverage is anything but ubiquitous.’
    • ‘If you haven't yet installed a Wi-Fi network in your home, let me tell you that you have no idea what you're missing.’
    • ‘Unlike the PowerBooks, they do not ship with Wi-Fi or Bluetooth as standard.’
    • ‘Add Wi-Fi, standard now on most new laptops, and your home office can be anywhere.’

verb

[WITH OBJECT]
  • Convert or adapt for Wi-Fi compatibility.

    ‘what type of electronics will be immune from being Wi-Fied?’
    • ‘If you have Road Runner or DSL, you're most likely already ‘Wi-Fied’ or you have the option to call your ISP and have them do most of that legwork for you, for a nominal charge of course.’
    • ‘Crown for Royal City After Jerusalem, Mysore is the world's only other city to be entirely Wi-Fied.’
    • ‘The Sunday Business Post on the other hand said last week that Wi-Fiing Dublin was a missed opportunity on the part of DCC and not because of anything to do with the European Commission…?’
    • ‘Cybernomads already cluster at Starbucks, migrating to Kinko's if necessary for hardcopy, and abandon their offices to sit in Wi-Fied parks on sunny days.’
    • ‘So while we wait for all of these wires to be Bluetoothed and Wi-Fied into oblivion, it helps to know your plugs.’

Origin

1990s: from wireless + an apparently arbitrary second element, after hi-fi; sometimes incorrectly interpreted as a shortening of Wireless Fidelity.

Pronunciation:

Wi-Fi

/ˈwīfī/