Wi-Fi

[wahy-fahy]

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

/ ˈwaɪˌfaɪ /

noun

1. computing a system of accessing the internet from remote machines such as laptop computers that have wireless connections

Word History and Origins

Origin of Wi-Fi¹

First recorded in 1995–2000; wi(reless)-fi(delity), patterned after hi-fi

Word History and Origins

Origin of Wi-Fi¹

C20: from wi ( reless ) fi ( delity )

Example Sentences

United is in the early stages of rolling out Starlink-enabled onboard Wi-Fi, which is set to provide faster internet access, and has been installing seat back screens on more of its planes.

Read more on The Wall Street Journal

The Wi-Fi in my building was spotty at best, so I made the campus library my office, spreading out back issues of “Martha Stewart Living” and stacks of cookbooks across a long wooden table.

Read more on Salon

Some customers have expressed being doubly frustrated by not being able to access their Wi-Fi or mobile data.

Read more on BBC

In electronics, a Wi-Fi router or Ethernet switch sends digital information from multiple input sources to the correct output port, ensuring every signal reaches its destination.

Read more on Science Daily

Police also found in their possession Wi-Fi jammers, which can be used to disarm cameras and alarms, cellphones, trail cameras, GPS trackers and stolen license plates, the release said.

Read more on Los Angeles Times