Solution

VASTNESS

2 clues

Enormity

Word class: Common noun
Nature of clue: Synonym
Difficulty: Easy
Sources: Boatload Puzzles

Immensity

Word class: Common noun
Nature of clue: Synonym
Difficulty: Easy
Sources: Boatload Puzzles

Other solutions to Immensity

ENORMITY

Words are categorized by artificial intelligence: there can be mistakes.