1. the quality of being vague, unclear, or lacking definite form

Examples

• The nebulousness of the contract terms led to confusion.
• His explanation was criticized for its nebulousness.
• The nebulousness of her memory made it difficult to recall details.
• The policy’s nebulousness frustrated voters seeking clear answers.
• The artist embraced the nebulousness of abstract expression.
• The nebulousness of the concept made it hard to teach.