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