We found 11 dictionaries that define the word best of all:

General (11 matching dictionaries)

1. best of all: Merriam-Webster
2. best of all: Vocabulary.com
3. best of all: Cambridge Advanced Learner's Dictionary
4. best of all: Dictionary.com
5. best of all: Rhymezone
6. best of all: FreeDictionary.org
7. best of all: Mnemonic Dictionary
8. best of all: TheFreeDictionary.com
9. best of all: Longman Dictionary of Contemporary English

Definitions from WordNet (best of all) ▸ adverb:  especially fortunate ("Best of all, we don't have any homework!") Phrases: Best of all possible worlds, best of all worlds, the best of all time, more... ▸ Words similar to best of all ▸ Usage examples for best of all ▸ Idioms related to best of all ▸ Wikipedia articles (New!) ▸ Words that often appear near best of all ▸ Rhymes of best of all ▸ Invented words related to best of all