- To befriend someone is to get to know and start a friendship with someone.
An example of befriend is when you introduce yourself to the new kid at school and invite him to sit at your lunch table.
This child wants to befriend you.
transitive verbbe·friend·ed, be·friend·ing, be·friends
(third-person singular simple present befriends, present participle befriending, simple past and past participle befriended)