Definitions of unbroken:

• adjective:   not subdued or trained for service or use

  Example: "Unbroken colts"

• adjective:   not broken; whole and intact; in one piece

  Example: "Fortunately the other lens is unbroken"

• adjective:   (especially of promises or contracts) not violated or disregarded

  Example: "Unbroken promises"

• adjective:   marked by continuous or uninterrupted extension in space or time or sequence

  Example: "Cars in an unbroken procession"

• adjective:   (of farmland) not plowed

  Example: "Unbroken land"