3K
Wi-Fi
UK //ˈwaɪ.faɪ//US //ˈwaɪ.faɪ//
Definition
A technology that allows computers and devices to connect to the internet wirelessly.
In simple words: A way to connect to the internet without wires.
Examples
- I need to find a good Wi-Fi connection for my laptop.
- Is the Wi-Fi in this cafe free to use?
- My phone connects automatically to the Wi-Fi at home.
- Can you show me how to set up the Wi-Fi router?
- The Wi-Fi signal is weak in this part of the house.
Usage notes
Use 'Wi-Fi' in casual or formal contexts. Avoid in very technical discussions unless specifying types of networks.
Grammar pattern
standalone noun
Memory hint
Imagine a 'wise fly' connecting to the internet.
Collocations
- Wi-Fi network
- connect to Wi-Fi
- Wi-Fi hotspot
- Wi-Fi signal
- Wi-Fi password
Synonyms
- wireless internet
- wifi network
- wireless connection
Common mistakes
- Capitalization error: writing 'wi-fi' instead of 'Wi-Fi'.
- Using 'wifi' informally as it is commonly capitalized.
- Confusing 'Wi-Fi' with other wireless technologies like Bluetooth.