We found 12 dictionaries that define the word dumbing down:

General (7 matching dictionaries)

1. dumbing down: Merriam-Webster
2. dumbing down: Collins English Dictionary
3. dumbing-down: Wordnik
4. dumbing down: Cambridge Advanced Learner's Dictionary
5. dumbing down: Wiktionary
6. Dumbing down: Wikipedia, the Free Encyclopedia
7. dumbing down: TheFreeDictionary.com

Business (1 matching dictionary)

8. Dumbing down: Legal dictionary

Computing (1 matching dictionary)

9. Dumbing down: Encyclopedia

Medicine (1 matching dictionary)

10. Dumbing down: Medical dictionary

Miscellaneous (1 matching dictionary)

11. Dumbing down: Idioms

Slang (1 matching dictionary)

12. dumbing down: Urban Dictionary

Definitions from Wikipedia (Dumbing down) ▸ noun:  the deliberate oversimplification of intellectual content in education, literature, cinema, news, video games, and culture. Types: over-simplification, vulgarization, infantilization, banalization, more... Phrases: Dumbing Us Down, more... ▸ Words similar to dumbing down ▸ Usage examples for dumbing down ▸ Idioms related to dumbing down ▸ Wikipedia articles (New!) ▸ Words that often appear near dumbing down ▸ Rhymes of dumbing down ▸ Invented words related to dumbing down