INSENSIBLE
insensible, senseless, out of it
(adjective) unresponsive to stimulation; “he lay insensible where he had fallen”; “drugged and senseless”
indiscernible, insensible, undetectable
(adjective) barely able to be perceived; “the transition was almost indiscernible”; “an almost insensible change”
insensible
(adjective) incapable of physical sensation; “insensible to pain”; “insensible earth”
Source: WordNet® 3.1
Etymology
Adjective
insensible (comparative more insensible, superlative most 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.
Synonyms
• (incapable of emotional feeling): insensitive
Antonyms
• sensible
Source: Wiktionary
In*sen"si*ble, a. Etym: [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.
Source: Webster’s Unabridged Dictionary 1913 Edition