wifi

/ˈwaɪfaɪ/
noun
  1. A technology that allows electronic devices to connect to the internet or communicate with each other wirelessly using radio waves.
    • My laptop can't find the wifi signal from the router.
    • The coffee shop offers free wifi to all customers.
    • We installed a new wifi network at home so everyone can stream movies.
  2. A wireless network connection, especially one in a public place or a home.
    • The hotel's wifi was too slow to load videos.
    • Please enter the password to join the office wifi.
    • I need to reset the wifi because it keeps disconnecting.