1. In a manner lacking precision, accuracy, or exactness; vaguely or loosely
He spoke imprecisely about the timeline of events.
Ele falou imprecisamente sobre a cronologia dos acontecimentos.
2. Without clear or definite boundaries; in an unclear or ambiguous way
The instructions were imprecisely worded, causing confusion.
As instruções foram redigidas imprecisamente, causando confusão.