side by side

/S AY1 D B AY1 S AY1 D/
adverb
  1. 1

    Beside or alongside one another; close to one another and abreast.

    โ€œThe new houses were built side by side, facing the lake.โ€

  2. 2

    In peace.

  3. 3

    With a common purpose.

    โ€œThe soldiers of XX and YY were fighting side by side against a common enemy.โ€

adjective
  1. 1

    Adjacent.

Source: https://en.wiktionary.org/wiki/side%20by%20side, https://en.wiktionary.org/wiki/side-by-side