1. the quality or state of being nebulous; cloudiness or haziness
Usage: formal
2. lack of clarity in thought or expression; vagueness
Usage: formal
3. a nebulous mass or cloud-like formation
Usage: astronomy; formal

Examples

• The nebulosity of the morning mist made it difficult to see the mountains.
• His argument suffered from a certain nebulosity that confused the audience.
• The astronomer studied the nebulosity in the constellation through her telescope.
• The nebulosity of her writing style made the novel hard to follow.
• Weather conditions created an unusual nebulosity over the valley.
• The professor criticized the nebulosity of the student’s thesis statement.