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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:

"I wouldn't have survived in this city if I didn't have the ability to sit, use Wi-Fi, and grab a coffee and feel like a part of society," he said.

From BBC Aug. 22, 2026

It infamously began removing them from all but its wide-body jets several years ago, arguing that travelers didn’t need them in this era of Wi-Fi and personal devices.

From The Wall Street Journal Aug. 21, 2026

Not inoperable Wi-Fi like on my United flight, just no option at all.

From The Wall Street Journal Aug. 19, 2026

Its move follows years of complaints from passengers, who said that relying on personal devices left them with drained batteries, awkward viewing angles, and patchy Wi-Fi.

From BBC Aug. 18, 2026

“I move that the Wi-Fi question should be brought up at the next meeting. Anybody opposed? No? Motion passed!”

From "Linked" by Gordon Korman

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