What does «insensible» mean in Spanish?

That it has no sensitivity.

Examples of use in Spanish: "tengo mis manos insensibles por el frío".

"es insensible al dolor".
Said of a person who is incapable of appreciating something or reacting emotionally to it.

Examples of use in Spanish: "es una persona insensible, no derramó ninguna lágrima en el funeral de su padre".

♦ Se emplea también como sustantivo.

Examples of use in Spanish: "allí viene el insensible".
Said of a thing that has no reaction to the action of certain agents.

Examples of use in Spanish: "se trata de una enfermedad insensible a todo tratamiento médico".
Imperceptible or not very perceptible.

Examples of use in Spanish: "estos cambios culturales se producen de manera casi insensible en un principio".