This is the 6937th most frequent Portuguese word.
impreciso
Not accurate or exact.
Here 'impreciso' describes the quality of the map being not accurate or detailed enough to provide the correct information.
O mapa que recebemos estava impreciso e nos fez tomar um caminho errado.
The map we received was inaccurate and caused us to take a wrong path.
This usage of 'impreciso' refers to the answer being vague or not clear enough to convey a definite meaning.
Ele deu uma resposta imprecisa durante a entrevista, deixando os entrevistadores confusos.
He gave an imprecise answer during the interview, leaving the interviewers confused.
In this context, 'impreciso' indicates that the instructions lacked necessary detail or clarity.