- a brand name for a social media service and website, launched in 2004.
- to communicate with (a person) or search for information about (a person) by using Facebook: My old girlfriend just facebooked me.His future employer Facebooked him and decided to withdraw the job offer.
- to post on Facebook: I facebooked some photos of my cat.You should Facebook the event so more people will show up.
- to use Facebook: Does your mom Facebook?
- a popular social networking website
- to search for (a person's profile) on the Facebook website
