A subsidiary entrance to a building or house at its rear, normally away from the street. / A means of access, often secret and unprotected, to something.

(US, baseball) The path of a pitch which starts outside and then slides over the plate. / Achieved through indirect means.

To attempt to accomplish by indirect means, especially when direct means are proscribed.

An edition of a magazine, etc, that was published earlier than the current edition.

(idiomatic) A very difficult situation with no beneficial options available for action.

(informal) A holler back; a reply. / (informal) An echo of voices, much like the response of a crowd to a cheerleader. / (informal, uncountable) Feedback.

(informal) To reply. / (slang) To make or respond to romantic or sexual overtures. / (informal) To contact again at a later time.

Alternative form of backbreaking

Alternative spelling of back door, which can be used attributively.

Alternative spelling of back door