A new piece of technology which allows internet connection to be transferred using light rather than radio waves, it is alot safer as it will not go through walls and so people who arent inside the house/place you are in cannot use it, the lights can be dimmed so much that the human eye cannot see it while still providing internet connection more stable and faster than wifi.
Derick "why cant i get on your wifi?"
Bob "we have lifi, you need to be inside, and not looking through my window"
Bob "we have lifi, you need to be inside, and not looking through my window"
by Mxcy September 05, 2016

by IKA21 December 03, 2009

by LifeGeek October 07, 2016

The present of being alive but with other words used with it such as "inlifying" it is not a copy of living because living cannot have prefixes or suffixes such as "inliving"
by _Frostic_ October 03, 2021

When you arrive home late at night, or very early in the morning, from cheating on your wife/husband or girlfriend/boyfriend and doing things and walking through the house is MUCH louder (or seems like it is) than any other trip through your house.
by WiseGuyWhoa October 16, 2011

Stands for "Light Fidelity". Much faster then WiFi routers and whatnot, but it is not anywhere close to feasible yet.
Some companies were trying to implement LiFi.
Huh, I guess they blew $200,000 on Research and Development(R&D).
Huh, I guess they blew $200,000 on Research and Development(R&D).
by wiubundobuntuos July 28, 2016

Li-Fi (Light Fidelity) is a bidirectional, high speed and fully networked wireless communication technology similar to Wi-Fi. Li-Fi uses visible light instead of microwaves, this allows it to transmit more data faster than traditional Wi-Fi.
by Biotic September 07, 2016
