Definition of Wi-Fi in English:


Line breaks: Wi-Fi
Pronunciation: /ˈwʌɪfʌɪ


  • A facility allowing computers, smartphones, or other devices to connect to the Internet or communicate with one another wirelessly within a particular area.
    More example sentences
    • While Wi-Fi is becoming a standard feature on notebooks, network coverage is anything but ubiquitous.
    • Add Wi-Fi, standard now on most new laptops, and your home office can be anywhere.
    • It will also deploy a Wi-Fi network to keep assorted hacks and photographers in touch.


1990s: from wireless + an apparently arbitrary second element, after hi-fi; sometimes incorrectly interpreted as a shortening of Wireless Fidelity.

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