1. speech that is hesitant, unsteady, or broken; speaking with uncertainty, pauses, or lack of confidence
His faltering speech revealed his nervousness during the presentation.
Sua fala vacilante revelou seu nervosismo durante a apresentação.
2. speech that becomes weak or breaks down, often due to emotion, illness, or age
The elderly man's faltering speech made it difficult to understand his story.
A fala vacilante do homem idoso tornava difícil compreender sua história.