Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “wi-fi”

wi-fi

noun [U] (also Wi-Fi)
 
 
/ˈwaɪfaɪ/ INTERNET, IT
abbreviation for wireless fidelity: a system used for connecting computers and other electronic equipment to the internet without using wires: Built-in wi-fi now comes as a standard feature. The coffee shop now offers free wi-fi. All the cameras on the street are wi-fi enabled.wi-fi access/connection/network This model allows you to connect to a Wi-Fi network in just a couple of clicks.wi-fi signal/technology/service More and more cities are offering free wi-fi service. a wi-fi hotspot/zone a wi-fi device/equipment/phone
(Definition of wi-fi from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of wi-fi?
Add Cambridge dictionaries to your browser to your website

Definitions of “wi-fi” in other dictionaries

Word of the Day

bitter

a type of dark brown beer with a bitter taste

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More