- incapable of feeling or perceiving; deprived of sensation; unconscious, as a person after a violent blow.
- without or not subject to a particular feeling or sensation: insensible to shame; insensible to the cold.
- unaware; unconscious; inappreciative: We are not insensible of your kindness.
- not perceptible by the senses; imperceptible: insensible transitions.
- unresponsive in feeling.
- not susceptible of emotion or passion; void of any feeling.
- not endowed with feeling or sensation, as matter; inanimate.
- lacking sensation or consciousness
- (foll by of or to) unaware (of) or indifferent (to)insensible to suffering
- thoughtless or callous
- a less common word for imperceptible
c.1400, “lacking the power to feel with the senses,” from Latin insensibilis “that cannot be felt,” from in- “not” (see in- (1)) + sensibilis (see sensible). Also sometimes in Middle English “incapable of being felt or perceived by the senses” (early 15c.). Meaning “unconscious” is attested from early 15c. See insensate.
- Having lost consciousness, especially temporarily; unconscious.
- Lacking physical sensation or the power to react, as to pain or cold; numb.