\ ˈwī-ˈfī How to pronounce Wi-Fi (audio) \

Definition of Wi-Fi

used to certify the interoperability of wireless computer networking devices

Learn More about Wi-Fi

Statistics for Wi-Fi

Cite this Entry

“Wi-Fi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Wi-Fi. Accessed 29 Feb. 2020.

Comments on Wi-Fi

What made you want to look up Wi-Fi? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

February 2020 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of probity?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!