defriend /dē-frendˈ/

1. (also unfriend) to remove someone from one's list of friends on a social networking website
2. To no longer be friends with someone (facetious)

• know all the answers
• know a man by his company
• know a move or two
• know a thing or two
• know better
• know by sight
• knowe
• knower
• knowers
• knowes
• know-how
• knowhow
• know how many beans make five
• know-hows
• knowing
• knowing card
• knowingly
• knowingness
• knowingnesses
• knowing to
• know inside out
• knowledgabilities
• knowledgability
• knowledgable
• knowledgably