1. Boundaries or limits that are unclear, vague, or not clearly defined; borders that lack sharp distinction or precision
The limites nebulosos between art and commerce make it difficult to categorize this work.
Os limites nebulosos entre arte e comércio tornam difícil categorizar este trabalho.
2. Abstract or conceptual boundaries that are difficult to delineate precisely
There are limites nebulosos in the definition of what constitutes harassment.
Existem limites nebulosos na definição do que constitui assédio.