driving
US /ˈdraɪ.vɪŋ/
UK /ˈdraɪ.vɪŋ/

1.
moteur, déterminant, battant
having a strong influence on someone or something
:
•
His ambition is the driving force behind his success.
Son ambition est la force motrice de son succès.
•
The driving rain made visibility very poor.
La pluie battante rendait la visibilité très mauvaise.