1. A quick, automatic reaction to a stimulus without deliberate thought or consideration
His impulsive response to the criticism was to storm out of the room.
Sua resposta impulsiva à crítica foi sair correndo da sala.
2. In psychology or neuroscience, an immediate behavioral or emotional reaction governed by impulse rather than reasoning
The patient's impulsive response to stress often leads to poor decision-making.
A resposta impulsiva do paciente ao estresse frequentemente leva a decisões ruins.