1. A description that is vague, ambiguous, or difficult to understand due to lack of clarity or precision
The unclear description made it difficult to identify the suspect.
A descrição pouco clara dificultou a identificação do suspeito.
2. An explanation or account lacking in detail, coherence, or logical organization
The instructions were an unclear description of how to assemble the furniture.
As instruções eram uma descrição pouco clara de como montar o móvel.