mild, slight, light
Tom tiene una infección leve.
Tom has a mild infection.
Dieron un golpe leve en la puerta.
They gave a light knock on the door.
There’s a slight difference.
Tengo la leve sospecha de que lo está haciendo a propósito.
I have a sneaking suspicion that he is doing it on purpose.
— Die Fälscher (2007)
The prognosis is mild.