Dictionary.com

Wi-Fi

[ wahy-fahy ]
/ ˈwaɪˌfaɪ /
Save This Word!

Computers, Trademark.
a brand name certifying that a device or other product is compatible with a set of broadband wireless networking standards.

VIDEO FOR WI-FI

What's The Best Typo You've Ever Made?

What's worse than an embarrassing typo? How about one that goes out to your whole company ...

MORE VIDEOS FROM DICTIONARY.COM
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of Wi-Fi

First recorded in 1995–2000; wi(reless)-fi(delity), patterned after hi-fi
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Wi-Fi in a sentence

British Dictionary definitions for Wi-Fi

Wi-Fi
/ (ˈwaɪˌfaɪ) /

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

Word Origin for Wi-Fi

C20: from wi (reless) fi (delity)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK