Definition of Wifi
Quick Meaning of Wifi
A wireless technology that lets your phone, laptop, and other devices connect to the internet without cables by sending signals through the air.
Detailed Definition of Wifi
A wireless technology that allows devices to connect to the internet and communicate without physical cables.
How to Pronounce Wifi
Stress pattern: Oo (2-syllable word).
Tip: Sounds like 'why-fye'. Stress the first syllable. The 'wi' sounds like 'why' in 'why are you here?'
Watch out: Some learners say /ˈwiːfiː/ like 'we-fee'. Use /ˈwaɪfaɪ/ like 'why-fye' instead.
Origin and Etymology of Wifi
Wi-Fi: Acronym for Wireless Fidelity, a marketing term coined in 1999 to describe IEEE 802.11 wireless technology. Originally a play on 'hi-fi' (high fidelity).
How to Use Wifi in a Sentence
Each example shows “wifi” with a CEFR level so learners can pick examples that match their fluency.
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“My phone connects to the wifi at home so I can browse the internet.”
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“The cafe offers free wifi to customers who buy drinks.”
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“Connecting to public wifi networks can be risky without a VPN to protect your personal information.”
Synonyms and Antonyms of Wifi
Common Synonyms for Wifi
Smart Synonyms for Wifi — When to Use Each
- wireless internet
- Informal term for internet without cables
- wireless network
- Technical term for connected wireless devices
- hotspot
- Portable device that creates a wireless connection
Common Collocations with Wifi
These phrases pair with “wifi” in everyday English:
- connect to wifi
- free wifi
- wifi password
- wifi signal
- wifi network
Common Mistakes When Using Wifi
Even fluent speakers slip up with “wifi”. Here’s how to avoid the most common errors:
- ✗ Wrong: I need to connect the wifi.
- ✓ Correct: I need to connect to the wifi.
- Why: Use preposition 'to' not just the object; 'connect to the wifi'.
- ✗ Wrong: The wifis in this building is very slow.
- ✓ Correct: The wifi in this building is very slow.
- Why: Wifi is uncountable; use singular verb 'is' not plural 'are'.
- ✗ Wrong: Can you share your wifi password for me?
- ✓ Correct: Can you share your wifi password with me?
- Why: Use preposition 'with' not 'for' when sharing access with someone.
Other Forms of Wifi
- Noun: wifi
Frequently Asked Questions About Wifi
What is the meaning of "Wifi"?
A wireless technology that lets your phone, laptop, and other devices connect to the internet without cables by sending signals through the air.
How do you pronounce "Wifi"?
The IPA is /ˈwaɪfaɪ/. Sounds like 'why-fye'. Stress the first syllable. The 'wi' sounds like 'why' in 'why are you here?'
What part of speech is "Wifi"?
"Wifi" is a noun at A2 level (Common European Framework).
What are synonyms for "Wifi"?
Common synonyms include wireless internet, wireless network, wireless connection.
How do you use "Wifi" in a sentence?
For example: "My phone connects to the wifi at home so I can browse the internet."