Definitions of sidelong:

• adjective:   inclining or directed to one side

  Example: "Moved downward in a sidelong way - Bram Stoker"

• adjective:   situated at or extending to the side

  Example: "Shot out sidelong boughs- Tennyson"

• adjective:   (used especially of glances) directed to one side with or as if with doubt or suspicion or envy

  Example: "Sidelong glances"

• adverb:   to, toward or at one side

  Example: "Darting eyes looking sidelong out of a wizened face"

• adverb:   with the side toward someone or something

  Example: "Seated sidelong to the window- Nathaniel Hawthorne"

• adverb:   on the side

  Example: "The plow lay sidelong on the ground"