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.

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Wi-Fi British  

/ ˈwaɪˌfaɪ /

noun

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

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Etymology

Origin of Wi-Fi

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

Example Sentences

See Examples For:

Wi-Fi

"We have no Wi-Fi, no electricity, we can't work," said a young software programmer working for a tourism start-up in another neighborhood.

From Barron's ● Jul. 6, 2026

Right now, if you want to use Starlink for a voice call, you need to use Wi-Fi calling or VoIP.

From MarketWatch ● Jun. 22, 2026

The device uses what the company calls a six-layer hybrid positioning system, combining GPS, assisted GPS, Wi-Fi positioning, Bluetooth, cellular network data, and active radar-style search functions.

From Slate ● Jun. 20, 2026

Widow’s Bay is indeed a fusty place where everyone drives old cars, uses ancient computers and communicates on walkies and landlines since neither cell phones nor Wi-Fi connectivity works.

From Salon ● Jun. 18, 2026

They even have Wi-Fi and TV screens built into the seats.

From "Black Brother, Black Brother" by Jewell Parker Rhodes