1. An action taken without careful consideration or planning, driven by sudden emotion or desire rather than reason
His impulsive action to quit his job without another lined up was a mistake.
Sua ação impulsiva de sair do emprego sem ter outro já garantido foi um erro.
2. A spontaneous or unplanned deed motivated by immediate feelings or impulses
The teenager's impulsive action to dye her hair purple surprised her parents.
A ação impulsiva da adolescente de pintar o cabelo de roxo surpreendeu seus pais.