1. A plan that lacks clear definition, specific details, or exact boundaries; a plan with unclear objectives or methodology
The project failed because the team was working with a vague plan.
O projeto fracassou porque a equipe estava trabalhando com um plano impreciso.
2. A plan that is not well-defined or lacks concrete steps for implementation
Without a detailed budget, our expansion plan is imprecise.
Sem um orçamento detalhado, nosso plano de expansão é impreciso.