banalize

US: (bə nal′īz, -nä′līz, bān′l īz′)

WordReference Random House Unabridged Dictionary of American English © 2025

ba•nal•ize  (bə nal′īz, -nä′līz, bān′l īz′), v.t., -ized, -iz•ing. 

1. to render or make banal;
   trivialize:
   Television has often been accused of banalizing even the most serious subjects.

Also,[esp. Brit.,] ba•nal′ise. 

• banal + -ize 1960–65