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

The airline’s social-media team—famed for their viral, cheeky content—was quick to capitalize, replying to a post about an X outage in the U.S. with a suggestion that Musk himself might need Wi-Fi.

From The Wall Street Journal

You can also install it on your home router to protect every device connected to your Wi-Fi.

From Salon

“The Wi-Fi radiation is a lot worse than people think it is.”

From The Wall Street Journal

When I finally got on the studio’s Wi-Fi network and saw the Verizon headlines, I figured—given past outages—that this wouldn’t last long.

From The Wall Street Journal

When I am helping others, I like to set up automatic updates on iOS and Android devices first, then security cameras, thermostats and Wi-Fi routers.

From The Wall Street Journal