insensitive, indifferent, numb, without feeling
Spock est insensible, mais pas à ce point.
Spock is insensitive, but not that insensitive.
— Star Trek Into Darkness (2013)
You are insensitive.
La guerre ne se résume qu'à une destruction insensible et violente.
War amounts to nothing more than cold-blooded, violent destruction.
La plante des pieds est insensible à la chaleur et au froid.
The soles of the feet are insensitive to heat and cold.
You are very insensitive.
Je ne veux pas paraître insensible.
I don't want to seem insensitive.
Mais comment rester insensible à la souffrance d'une femme ?
But how can you remain unmoved by a woman’s suffering?
— The Magnificent One (1973)