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

Delta Air Lines selected Amazon Leo for in-flight Wi-Fi, planning a 2028 rollout, opting against SpaceX’s Starlink service.

From Barron's • May 15, 2026

For the consumer, that includes upgrades to 6G networks and to the new Wi-Fi 7 standard.

From MarketWatch • May 15, 2026

In 2024 she launched a clothing line including designs which claimed to protect wearers from Wi-Fi and 5G signals - although scientists have strongly rejected suggestions of any link with disease or poor health.

From BBC • May 5, 2026

The system, which fuses data from smartphones, security and traffic cameras, Wi-Fi signals, drones, government databases and social media, has granted Israel what seems an almost omniscient ability to track Hezbollah cadres’ every movement.

From Los Angeles Times • May 4, 2026

“What do you need Wi-Fi for?” she asks.

From "Marcus Vega Doesn't Speak Spanish" by Pablo Cartaya