1. In a manner that lacks precision, accuracy, or exactness; vaguely or inexactly
He described the location imprecisely, making it difficult to find the building.
Ele descreveu o local imprecisamente, dificultando a localização do edifício.
2. Without clear or definite boundaries; approximately
The boundaries of the property were imprecisely defined in the old documents.
Os limites da propriedade foram definidos imprecisamente nos documentos antigos.