Definitions for "Unfriendly"
Not friendly; not kind or benevolent; hostile; as, an unfriendly neighbor.
not disposed to friendship or friendliness; "an unfriendly coldness of manner"; "an unfriendly action to take"
lacking warmth of feeling; "a chilly greeting"; "an unfriendly manner"
Not favorable; not adapted to promote or support any object; as, weather unfriendly to health.
Keywords:  understand, easy, user
not easy to understand or use; "user-unfriendly"