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Wi-Fi

American  
[wahy-fahy] / ˈwaɪˌfaɪ /
Computers, Trademark.
  1. a brand name certifying that a device or other product is compatible with a set of broadband wireless networking standards.


Wi-Fi British  
/ ˈwaɪˌfaɪ /

noun

  1. computing a system of accessing the internet from remote machines such as laptop computers that have wireless connections

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Wi-Fi

First recorded in 1995–2000; wi(reless)-fi(delity), patterned after hi-fi

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The company also must provide free broadband and Wi-Fi service for dozens of eligible community centers, including schools and libraries.

From Los Angeles Times Aug. 14, 2026

The tents, which start at about $300 nightly, have furniture, electricity and Wi-Fi, but if you show up on a 93-degree afternoon, as I did, your un-air-conditioned tent will be about the same temperature.

From Los Angeles Times Aug. 13, 2026

"It's quite common for bars to provide free Wi-Fi with routers, so I'll provide free tokens," or units of AI usage, bar owner Song De told AFP.

From Barron's Aug. 10, 2026

He said it wouldn’t affect him much because he works in an office on Wi-Fi.

From The Wall Street Journal Aug. 8, 2026

Maya-Jade had an iPad with her and she logged onto the Wi-Fi, explaining that they had to find “reputable sources.”

From "Not Nothing" by Gayle Forman

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