from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Relating to or resembling anesthesia.
  • adj. Causing anesthesia.
  • adj. Insensitive.
  • n. An agent that causes loss of sensation with or without the loss of consciousness.
  • n. Something likened to this in effect: For some people watching television is an anesthetic for the mind.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Causing the reduction of pain sensitivity.
  • n. A substance administered to reduce the perception of pain or to induce numbness. An anesthetic may or may not render the recipient unconscious, depending upon the type used.

from The Century Dictionary and Cyclopedia

  • Producing temporary loss or impairment of feeling or sensation; producing anæsthesia.
  • Of or belonging to anæsthesia; characterized by anæsthesia, or physical insensibility: as, anesthetic effects.
  • n. A substance capable of producing anæsthesia.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a drug that causes temporary loss of bodily sensations
  • adj. characterized by insensibility
  • adj. relating to or producing insensibility


From Greek anaisthētos, without feeling : an-, without; see a-1 + aisthētos, perceptible (from aisthanesthai, to feel; see anesthesia).
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Greek anaisthetos insensible. (Wiktionary)



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