We found 25 dictionaries that define the word astounding:

General (22 matching dictionaries)

1. astounding: Merriam-Webster
2. astounding: Oxford Learner's Dictionaries
3. astounding: Collins English Dictionary
4. astounding: Vocabulary.com
5. Astounding, astounding: Wordnik
6. astounding: Cambridge Advanced Learner's Dictionary
7. astounding: Wiktionary
8. astounding: Infoplease Dictionary
9. Astounding, astounding: Dictionary.com
10. astounding: Cambridge Essential American English Dictionary
11. Astounding (magazine), Astounding: Wikipedia, the Free Encyclopedia
12. Astounding: Online Plain Text English Dictionary
13. astounding: Webster's Revised Unabridged, 1913 Edition
14. astounding: Rhymezone
15. Astounding: AllWords.com Multi-Lingual Dictionary
16. astounding: FreeDictionary.org
17. astounding: Mnemonic Dictionary
18. astounding: TheFreeDictionary.com
19. astounding: Longman Dictionary of Contemporary English
20. astounding: Merriam-Webster

Business (1 matching dictionary)

21. astounding: Legal dictionary

Computing (1 matching dictionary)

22. astounding: Encyclopedia

Slang (1 matching dictionary)

23. Astounding: Urban Dictionary

(Note: See astound as well.)

Definitions from Wiktionary ( ) ▸ adjective:  That astounds or astound. Similar: astonishing, staggering, stupefying, impressive, incredible, unbelievable, dumbfounding, breathtaking, amazing, stunning, more... Opposite: unimpressive, underwhelming, mediocre Phrases: Astounding Space Thrills, Astounding Sounds, Amazing Music, Astounding Award for Best New Writer, incredible unbelievable astounding, astounding in a bad way, more... Adjectives: more, first, french, little, nigh, enormous, late Colors:     electric blue,     neon green,     vibrant purple,     fiery red,     shocking pink, more... ▸ Words similar to astounding ▸ Usage examples for astounding ▸ Idioms related to astounding ▸ Wikipedia articles (New!) ▸ Popular nouns described by astounding ▸ Words that often appear near astounding ▸ Rhymes of astounding ▸ Invented words related to astounding