adjective

insensible

in-SEN-suh-bul/ɪnˈsensəbl/

Without conscious perception or sensation.

The woman lies insensible while her companion kneels to check for a response.

An unconscious young woman lies limp on the floor while another woman kneels beside her, checking for a response with a hand on her shoulder.
Etymology

Here the negative prefix reverses sensible in its older sense “capable of feeling,” rather than “reasonable.” Lacking the power to sense leads naturally to the selected meaning of being unconscious or unaware.

In context

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tiresome and deadening to be with people who cannot understand and will not even appear to be interested in your better thoughts it is almost repulsive to find a man insensible to all Beauty
GENTLEMEN’S BOOK OF ETIQUETTE. by CECIL B. HARTLEY.. Audiobook - full length, free

More examples

  • The cold leaves my fingertips insensible to touch.
  • Absorbed in her work, she is insensible to the noise.
  • He remains insensible to the suffering his decisions cause.

Forms

insensible

insensibility noun — A state of unconsciousness or absent feeling.

Similar words

unconscious
Emphasizes loss of awareness rather than localized physical sensation.
numb
Usually describes lost sensation without implying loss of consciousness.
unaware
Describes not noticing or knowing, without implying physical numbness.