We found 16 dictionaries that define the word at first blush:

General (15 matching dictionaries)

1. at first blush: Merriam-Webster
2. at first blush: Oxford Learner's Dictionaries
3. at first blush: Collins English Dictionary
4. at first blush: Vocabulary.com
5. at first blush: Wordnik
6. at first blush: Wiktionary
7. At first blush, at first blush: Dictionary.com
8. at first blush: Rhymezone
9. at first blush: FreeDictionary.org
10. at first blush: Mnemonic Dictionary
11. at first blush: TheFreeDictionary.com
12. at first blush: Longman Dictionary of Contemporary English
13. at first blush: Merriam-Webster

Miscellaneous (1 matching dictionary)

14. at first blush: Idioms

Definitions from WordNet (at first blush) ▸ adverb:  as a first impression ("At first blush the offer seemed attractive") Types: preliminary, initial, introductory, more... ▸ Words similar to at first blush ▸ Usage examples for at first blush ▸ Idioms related to at first blush ▸ Wikipedia articles (New!) ▸ Words that often appear near at first blush ▸ Rhymes of at first blush ▸ Invented words related to at first blush