Side by side Meaning, Definition & Usage

1. adjective satellite nearest in space or position; immediately adjoining without intervening space
   adjacent; next.
   
   • had adjacent rooms
   • in the next room
   • the person sitting next to me
   • our rooms were side by side
2. adjective satellite closely related or associated
   
   • a city in which communism and democracy had to live side by side

WordNet