back to back

41 Moby Thesaurus words for "back to back":
      as one, as one man, at opposite extremes, behind,
      behind the scenes, coactively, coefficiently, collectively,
      combinedly, communally, concertedly, concordantly, concurrently,
      conjointly, contrariwise, contrary, cooperatingly, cooperatively,
      counter, eyeball to eyeball, face to face, hand in glove,
      hand in hand, harmoniously, in back of, in chorus, in concert with,
      in the background, in the rear, in unison, jointly, just opposite,
      nose to nose, opposite, poles apart, shoulder to shoulder, tandem,
      together, unanimously, vis-a-vis, with one voice