1. A temporary or fleeting improvement in a situation, health condition, or circumstance that is not expected to last
The patient experienced a temporary improvement before the condition worsened again.
O paciente experimentou uma melhoria passageira antes da condição piorar novamente.
2. A brief period of recovery or relief from a problem that will likely return
The stock market showed a fleeting improvement before the crash.
O mercado de ações mostrou uma melhoria passageira antes do colapso.