Definition

Noun: A technology that allows electronic devices to connect to a wireless local area network (WLAN) and, through it, to the internet, using high-frequency radio signals over short distances.

Usage

"WiFi" is an uncountable noun. It refers to the wireless networking technology itself or the wireless internet connection it provides. * You need to connect to the WiFi. * The hotel offers free WiFi. * Is the WiFi working?

Examples

• The cafe has excellent WiFi for customers.
• My laptop automatically detects available WiFi networks.
• The conference room is equipped with secure WiFi.

Advanced Usage

• "WiFi hotspot": A specific physical location where people can obtain wireless internet access.
  • The library is a popular WiFi hotspot for students.
• "WiFi signal": The strength or availability of the wireless connection.
  • The WiFi signal is weak in the basement.

Variants and Related Words

• Wi-Fi: An alternative, hyphenated spelling of the same term.
• WLAN (Wireless Local Area Network): The formal technical term for the type of network WiFi creates.
• Ethernet: A related, older technology for wired network connections, which the WiFi protocol is based upon.

Synonyms

• Wireless internet
• Wireless network
• WLAN (technical synonym)

Related Phrases

• "Connect to WiFi": To join a wireless network.
  • Please connect to the WiFi using the password on the wall.
• "WiFi is down": Indicates the wireless service is not functioning.
  • I can't send the email because the WiFi is down.

Noun

1. a local area network that uses high frequency radio signals to transmit and receive data over distances of a few hundred feet; uses ethernet protocol