1. A state or situation that existed or was true in a previous time; a former circumstance or state of affairs
The past condition of the building was much worse before the renovations.
A condição passada do prédio era muito pior antes das renovações.
2. In grammar, a conditional clause referring to a hypothetical situation that could have occurred in the past
The past condition 'If I had known' expresses an unreal situation in the past.
A condição passada 'Se eu tivesse sabido' expressa uma situação irreal no passado.