friendly (Adjective) — Characteristic of or befitting a friend. ex. "friendly advice" ex. "a friendly neighbourhood" ex. "the only friendly person here" ex. "a friendly host and hostess"
friendly (Adjective) — Inclined to help or support; not antagonistic or hostile. ex. "a government friendly to our interests"
friendly (Adjective) — Easy to understand or use. ex. "user-friendly computers" ex. "a consumer-friendly policy" ex. "a reader-friendly novel"
friendly (Adjective) — Of or belonging to your own country's forces or those of an ally. ex. "in friendly territory" ex. "he was accidentally killed by friendly fire"
friendly (Noun) — (military) troops belonging to or allied with your own military forces. ex. "friendlies came to their rescue"