Insensible — Defs

01 a. Destitute of the power of feeling or perceiving; wanting bodily sensibility; unconscious.

1.
Destitute of the power of feeling or perceiving; wanting bodily sensibility; unconscious.
2.
Not susceptible of emotion or passion; void of feeling; apathetic; unconcerned; indifferent; as, insensible to danger, fear, love, etc.; -- often used with of or to.
“Accept an obligation without being a slave to the giver, or insensible to his kindness.” — Sir H. Wotton.

“Lost in their loves, insensible of shame.” — Dryden.
3.
Incapable of being perceived by the senses; imperceptible. Hence: Progressing by imperceptible degrees; slow; gradual; as, insensible motion.
“Two small and almost insensible pricks were found upon Cleopatra's arm.” — Sir T. Browne.

“They fall away, And languish with insensible decay.” — Dryden.
4.
Not sensible or reasonable; meaningless.[Obs.]
“If it make the indictment be insensible or uncertain, it shall be quashed.” — Sir M. Hale.
5.
Incapable of feeling a specific sensation or emotion; as, insensible to pity.