1. the quality or state of being illimitable; boundlessness or infinity
Usage: formal; abstract noun

Examples

• The illimitableness of space has fascinated astronomers for centuries.
• She spoke of the illimitableness of human potential and imagination.
• The ocean's illimitableness once seemed mysterious to early explorers.
• Philosophers have long debated the illimitableness of the universe.
• The illimitableness of digital storage has transformed how we preserve information.