1. A basic, innate motivation or instinct that compels behavior in living organisms, such as hunger, thirst, or reproduction
Survival is considered one of the most fundamental drives in nature.
A sobrevivência é considerada um dos impulsos fundamentais da natureza.
2. In psychology, a primary biological or psychological need that motivates action
The fundamental drive to belong is deeply rooted in human nature.
O impulso fundamental de pertencer é profundamente enraizado na natureza humana.
3. In engineering or mechanics, a primary or essential force or movement
The fundamental drive of the machine determines its overall performance.
O impulso fundamental da máquina determina seu desempenho geral.