From Middle English insensible, from Old French insensible, from Late Latin īnsēnsibilis.

• IPA: /ɪnˈsɛns.ɪ.bəl/, [ɪnˈsɛn̥sɪbl̩]

insensible

1. Unable to be perceived by the senses.
   • 1650, Thomas Browne, Pseudodoxia Epidemica: […], 2nd edition, London: […] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, […], →OCLC ↗:

     Two small and almost insensible pricks were found upon Cleopatra's arm.

   • 1697, Virgil, translated by John Dryden, The Works of Virgil: Containing His Pastorals, Georgics, and Æneis. […], London: […] Jacob Tonson, […], →OCLC ↗:

     They fall away, / And languish with insensible decay.

2. Incapable or deprived of physical sensation.
   • 1904–1905, Baroness Orczy [i.e., Emma Orczy], “The Fate of the Artemis ↗”, in The Case of Miss Elliott, London: T[homas] Fisher Unwin, published 1905, →OCLC ↗; republished as popular edition, London: Greening & Co., 1909, OCLC 11192831 ↗, quoted in The Case of Miss Elliott (ebook no. 2000141h.html), Australia: Project Gutenberg of Australia, February 2020:

     “ […] Captain Markam had been found lying half-insensible, gagged and bound, on the floor of the sitting-room, his hands and feet tightly pinioned, and a woollen comforter wound closely round his mouth and neck ; whilst Mrs. Markham's jewel-case, containing valuable jewellery and the secret plans of Port Arthur, had disappeared. […]”

3. Unable to be understood; unintelligible.
4. Not sensible or reasonable; meaningless.
   • 1736, Matthew Hale, Historia Placitorum Coronæ:

     If it make the indictment be insensible or uncertain, […] it shall be quashed.

5. Incapable of mental feeling; indifferent.
   • 1697, Virgil, translated by John Dryden, The Works of Virgil: Containing His Pastorals, Georgics, and Æneis. […], London: […] Jacob Tonson, […], →OCLC ↗:

     Lost in their loves, insensible of shame.

   • 1813 January 26, [Jane Austen], Pride and Prejudice: […], volume (please specify |volume=I to III), London: […] [George Sidney] for T[homas] Egerton, […], →OCLC ↗:

     In spite of her deep-rooted dislike, she could not be insensible to the compliment of such a man's affection […]

6. Incapable of emotional feeling; callous; apathetic.

   Synonyms: insensitive

• sensible

• insensitive
• nonsensible
• nonsensical
• senseless
• unsensible
• unsensitive

• French: insensible
• German: bewusstlos, nicht wahrnehmbar
• Spanish: insensible

• French: insensible
• German: gefühllos
• Spanish: insensible