flattened Meaning, Definition & Usage

1. verb make flat or flatter
   flatten.
   
   • flatten a road
   • flatten your stomach with these exercises
2. verb become flat or flatter
   flatten out; flatten.
   
   • The landscape flattened
3. verb lower the pitch of (musical notes)
   drop; flatten.
   
4. adjective satellite having been flattened
   planate.
   

WordNet