wi-fi
/ˈwaɪ.faɪ/ (bre, ipa) · [wˈaɪfˌaɪ] /ˈwaɪ.faɪ/ (ame, ipa)
wi-fi — noun
1. a wireless system that lets phones, computers, and similar devices go online wit
a wireless system that lets phones, computers, and similar devices go online without cables
The cafe gives customers free wi-fi with every lunch order.
collocation: free wi-fi
Lakshmi connected to the hotel wi-fi before calling her parents upstairs.
connect to + wi-fi
The wi-fi in our classroom was too slow for the quiz.
Baraka turned off wi-fi on his phone to save battery.
Students use the library wi-fi to send homework to teachers.
- wifi
same meaning; a common simplified spelling without the hyphen
- wireless internet
focuses on internet access rather than the local network setup
- wireless network
broader term that can include systems beyond internet access
- wired connection
uses a cable instead of radio signals
用法筆記
Wi-fi is usually uncountable. It is also common before another noun, as in wi-fi password, wi-fi signal, or wi-fi router.