1. A narrative or description given by a witness or person without prompting, preparation, or formal structure
The witness provided a spontaneous account of the accident immediately after it occurred.
A testemunha forneceu um relato espontâneo do acidente imediatamente após sua ocorrência.
2. In legal or investigative contexts, a statement made voluntarily and without coercion
The defendant's spontaneous account contradicted his earlier testimony.
O relato espontâneo do réu contradisse seu depoimento anterior.