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

yo

used as an informal greeting between people who know each other or as an expression of approval

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More