absence of sense of pain.
inactivity, unconsciousness, stupor, lethargy, numbness, trance, apathy, torpor, stupefaction, coma, indifference, anesthesia, narcosis, insusceptibility, narcoma
Origin of analgesia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
inability to feel pain
the relief of pain
Word Origin for analgesia
C18: via New Latin from Greek: insensibility, from an- + algēsis sense of pain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper
A deadening or absence of the sense of pain without loss of consciousness.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.