We found one dictionary that defines the word modern worlds:

General (1 matching dictionary)

1. modern worlds: Vocabulary.com

(Note: See modern_world as well.)

Definitions from WordNet (modern world) ▸ noun:  the circumstances and ideas of the present age ▸ Also see modern_world ▸ Words similar to modern worlds ▸ Usage examples for modern worlds ▸ Idioms related to modern worlds ▸ Wikipedia articles (New!) ▸ Words that often appear near modern worlds ▸ Rhymes of modern worlds ▸ Invented words related to modern worlds