Meaning For your information
Type Acronym
Rank ★ ★ ★  Common
Usage General (not just online)

FYI is a common way to say, "For your information..." It is similar to saying, "JSYK." FYI usually precedes a statement when talking or chatting online with another person. It can also be used as a noun before or after you say something important, like "Just an FYI."

Example "FYI, it's going to rain today so the game is probably going to be canceled."
Updated September 28, 2016