1. the quality or state of being unable to be touched or physically grasped
2. the quality of being vague, unclear, or difficult to define or understand

Examples

• The intangibleness of the ghost made it impossible to capture or hold.
• The intangibleness of love has inspired poets and philosophers for centuries.
• Despite its intangibleness, the concept of justice shapes our legal systems.
• The intangibleness of the fog made it difficult to see more than a few feet ahead.
• Brand value has a certain intangibleness that is hard to measure in dollars.
• The intangibleness of emotions makes them challenging to express in words.