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

---

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

Apple devices have dozens of components designed to send and receive different radio signals, including 5G for data and voice transmission, GPS signals for navigation, Bluetooth for connecting to nearby devices, as well as Wi-Fi.

From The Wall Street Journal ● Jul. 8, 2026

"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

“Yes, but you shouldn’t be using Wi-Fi while you’re here,” he said.

From "City Spies" by James Ponti