conventional

adjective

1. Usual, traditional, or generally accepted rather than new or unusual.

   B1
   • "She prefers conventional methods of teaching."B1
   • "The film challenges conventional ideas about love."B2
   • "The building has a conventional design, with a central entrance and symmetrical windows."B2
   • "The doctors tried conventional treatment first."B1

2. Using ordinary military weapons rather than nuclear, biological, or chemical weapons.

   C1

   formal

   • "The country has reduced its conventional forces."B2
   • "The agreement limits the deployment of conventional weapons in the region."C1