This is the 10207th most frequent French word.
impulsif
Impulsive; acting without forethought.
Here, 'impulsif' describes Jean's characteristic of acting hastily without considering consequences.
Jean est impulsif lorsqu'il prend des décisions importantes.
Jean is impulsive when making important decisions.
In this sentence, 'impulsive' is used to characterize the personality trait of being prone to spontaneous actions.
Avec une telle personnalité impulsive, elle a toujours aimé prendre des risques.
With such an impulsive personality, she has always loved taking risks.
The usage of 'impulsif' here relates to describing actions or behaviors driven by sudden decisions rather than deliberation.