We found one dictionary that defines the word be in a world of own:

Miscellaneous (1 matching dictionary)

1. be in a world of own: Idioms

▸ Words similar to be in a world of own ▸ Usage examples for be in a world of own ▸ Idioms related to be in a world of own ▸ Wikipedia articles (New!) ▸ Words that often appear near be in a world of own ▸ Rhymes of be in a world of own ▸ Invented words related to be in a world of own