(juːnɪvɜːʳs ) Word forms: plural universes. 1. countable noun. The universe is the whole of space and all the stars, planets, and other forms of matter and energy in it.
(juːnɪvɜːʳs ) Word forms: plural universes. 1. countable noun. The universe is the whole of space and all the stars, planets, and other forms of matter and energy in it.