In*sen"si*ble (?), a. [L. insensibilis: cf. F. insensible. See In- not, and Sensible.]
1.
Destitute of the power of feeling or perceiving; wanting bodily sensibility.
Milton.
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.
Syn. -- Imperceptible; imperceivable; dull; stupid; torpid; numb; unfeeling; apathetic; stoical; impassive; indifferent; unsusceptible; hard; callous.
© Webster 1913.