We found 6 dictionaries that define the word out of a clear blue sky:

General (3 matching dictionaries)

1. out of a clear blue sky: Oxford Learner's Dictionaries
2. out of a clear blue sky: Dictionary.com
3. out of a clear blue sky: TheFreeDictionary.com

Computing (1 matching dictionary)

4. out of a clear blue sky: Encyclopedia

Medicine (1 matching dictionary)

5. out of a clear blue sky: Medical dictionary

Miscellaneous (1 matching dictionary)

6. out of a clear blue sky: Idioms

▸ Words similar to out of a clear blue sky ▸ Usage examples for out of a clear blue sky ▸ Idioms related to out of a clear blue sky ▸ Wikipedia articles (New!) ▸ Words that often appear near out of a clear blue sky ▸ Rhymes of out of a clear blue sky ▸ Invented words related to out of a clear blue sky