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.
INSENSIBLENESS
In*sen"si*ble*ness, n.
Defn: Insensibility. Bp. Hall.
INSENSIBLY
In*sen"si*bly, adv.
Defn: In a manner not to be felt or perceived; imperceptibly;
gradually.
The hills rise insensibly. Addison.
INSENSITIVE
In*sen"si*tive, a.