We found 10 dictionaries that define the word dumbed:

General (5 matching dictionaries)

1. dumbed: Merriam-Webster
2. Dumbed, dumbed: Wordnik
3. dumbed: Wiktionary
4. dumbed: Dictionary.com
5. dumbed: TheFreeDictionary.com

Business (1 matching dictionary)

6. dumbed: Legal dictionary

Computing (1 matching dictionary)

7. dumbed: Encyclopedia

Medicine (1 matching dictionary)

8. dumbed: Medical dictionary

Miscellaneous (1 matching dictionary)

9. dumbed: Idioms

Slang (1 matching dictionary)

10. dumbed: Urban Dictionary

Definitions from Wiktionary (dumbed) ▸ adjective:  (chiefly literary or poetic) That has been made dumb (speechless). Opposite: smartened, educated, enlightened, informed Types: down, simplified, reduced, minimized, uncomplicated, more... Phrases: dumbed down, more... ▸ Words similar to dumbed ▸ Usage examples for dumbed ▸ Idioms related to dumbed ▸ Wikipedia articles (New!) ▸ Popular nouns described by dumbed ▸ Words that often appear near dumbed ▸ Rhymes of dumbed ▸ Invented words related to dumbed