1. A method, manner, or approach that is unclear, not transparent, or difficult to understand; lacking clarity or openness
The company communicated the policy changes in an opaque way that left employees confused.
A empresa comunicou as mudanças de política de forma opaca que deixou os funcionários confusos.
2. An indirect or obscure manner of doing something that conceals true intentions or information
The government handled the investigation in an opaque way, revealing little to the public.
O governo conduziu a investigação de maneira obscura, revelando pouco ao público.