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

Instead it struck a deal earlier this year with Amazon’s Leo satellite internet business to provide Wi-Fi on an initial 500 planes.

From The Wall Street Journal ● Oct. 2, 2026

They don’t have phones, like up-to-date phones; they don’t have computers; they don’t have Wi-Fi; they don’t have stable addresses.

From Slate ● Sep. 19, 2026

It also wants the services to work offline and accessible even without mobile data or a Wi-Fi connection.

From BBC ● Sep. 14, 2026

And it does this while sending two signals at once - combining your household Wi-Fi with a dongle which plugs into your PC.

From BBC ● Sep. 14, 2026

Why didn’t she strand them someplace with no Wi-Fi?

From "A Heart in a Body in the World" by Deb Caletti