We found one dictionary that defines the word best of all worlds:

General (1 matching dictionary)

1. the best of all worlds, the best of all (possible) worlds: Merriam-Webster

Phrases: Best of all possible worlds, more... ▸ Words similar to best of all worlds ▸ Usage examples for best of all worlds ▸ Idioms related to best of all worlds ▸ Wikipedia articles (New!) ▸ Words that often appear near best of all worlds ▸ Rhymes of best of all worlds ▸ Invented words related to best of all worlds