What does "dumb down" mean?

To convey some subject matter in simple terms, avoiding technical or academic language, especially in a way that is considered condescending.

What is a synonym for "dumb down"?

Common synonyms include: babytalk, spoonfeed, vulgarize, vulgarized.

verb

verb ·Rare ·Advanced level

Verb

1
To convey some subject matter in simple terms, avoiding technical or academic language, especially in a way that is considered condescending. idiomatic, transitive
"The public won't understand this concept. We need to dumb down our explanation of it."
2
To become simpler in expression or content; to become unacceptably simplistic. idiomatic, intransitive
"Television has really dumbed down over the past ten years."

"The public won't understand this concept. We need to dumb down our explanation of it."