1. the quality or state of being vaporous; mistiness or haziness
2. the quality of being insubstantial, vague, or lacking in substance
Usage: figurative

Examples

• The vaporousness of the morning mist made it difficult to see the mountains.
• She criticized the vaporousness of his arguments, saying they lacked concrete evidence.
• The vaporousness of the steam rising from the hot springs created an otherworldly atmosphere.
• The poet’s work was marked by a certain vaporousness that some found beautiful and others confusing.
• The vaporousness of the fog made driving dangerous on the coastal highway.
• His ideas had a vaporousness that made them hard to pin down or implement.