More from Oxford Dictionaries. OxfordDictionaries.com ; OxfordWords blog ; Oxford Dictionaries Spanish ; Oxford Global Languages ; Oxford Dictionaries Premium
WiFi is the nickname for Wireless Fidelity - high speed internet and network connection without the use of wires, cables and other stuff you can trip over.
Wi-Fi (/ËwaÉªfaÉª/) or Wifi, is a mechanism for wirelessly connecting electronic devices. A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point.