What is the meaning of Insensible?

Unable to be perceived by the senses.

Incapable or deprived of physical sensation.

Unable to be understood; unintelligible.

Not sensible or reasonable; meaningless.

Incapable of mental feeling; indifferent.

Incapable of emotional feeling; callous; apathetic.

insensible

impervious

unperceivable, imperceptible

insensible, insensitive, callous, cold, tactless

Source: wiktionary.org