1. A sign, trace, or piece of evidence that is unclear, ambiguous, or not conclusive
The detective found only uncertain indications at the crime scene.
O detetive encontrou apenas indícios incertos na cena do crime.
2. A vague or indefinite hint or suggestion of something
There were uncertain indications that she might be interested in the project.
Havia indícios incertos de que ela pudesse estar interessada no projeto.