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Wi-Fi JUST WRITTEN FOR YOU

/waɪˈfaɪ/ · wi·fi
noun
  1. a type of wireless networking technology that allows devices to connect to the internet or communicate with each other without the use of cables or wires. She turned on her laptop and connected to the Wi-Fi network in the coffee shop.
adjective
  1. relating to or using wireless fidelity technology. The Wi-Fi router in my home is very fast and reliable.
Did you know? The term 'Wi-Fi' was coined in 1999 by a team of engineers at the company Interbrand, who were tasked with creating a brand name for the new wireless networking technology.
Read the full encyclopedia articleNerddpedia has an in-depth article about Wi-Fi
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 26, 2026