1.Definition: characteristic of or befitting a friend
"Friendly advice", "A friendly neighborhood", "The only friendly person here", "A friendly host and hostess"
2.Definition: easy to understand or use
"User-friendly computers", "A consumer-friendly policy", "A reader-friendly novel"
3.Definition: inclined to help or support; not antagonistic or hostile
"A government friendly to our interests"
4.Definition: of or belonging to your own country's forces or those of an ally
"In friendly territory", "He was accidentally killed by friendly fire"