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

In a statement, DfT said journeys on the new fleet would be "quieter, smoother and more reliable", while offering "improved accessibility, more luggage space and onboard Wi-Fi".

From BBC ● Sep. 10, 2026

Early on, sailors on the Lincoln and the Petersen said the Wi-Fi on the ships was turned off for around two months for operational security.

From The Wall Street Journal ● Sep. 5, 2026

"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

The flight turned out to be a fantastic value with one major caveat: no Wi-Fi.

From The Wall Street Journal ● Aug. 19, 2026

The free neighborhood Wi-Fi is super slow, but I’m still able to copy and paste Quinton’s missing person’s poster onto a dozen websites.

From "Amari and the Night Brothers" by B.B. Alston