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.

adjective

impalpable , imponderable , inappreciable , indiscernible , indistinguishable , intangible , invisible , unnoticeable , unobservable , cold , senseless , asleep , insensitive , numb , unfeeling , benumbed , stuporous , torpid , unresponsive , wooden , detached , impassive , incurious , indifferent , lethargic , listless , phlegmatic , stolid , unconcerned , uninterested , anesthetic , bloodless , dull , insensate , gradual , imperceivable , imperceptible , inanimate , obdurate , oblivious , unaware , unconscious , unimpressible , unintelligible , unmindful , unsusceptible