an·​al·​ge·​sia ˌa-nᵊl-ˈjē-zh(ē-)ə How to pronounce analgesia (audio)
: insensibility to pain without loss of consciousness

Examples of analgesia in a Sentence

Recent Examples on the Web It’s currently authorized for use during operations to help personalize analgesia dosing to the patient’s actual requirement. Nick Blackmer, Verywell Health, 11 Apr. 2023 Their findings indicated that Delta9-THCP had similar effects to Delta9-THC at about half the dose, including analgesia (pain relief), hypomotility (slowing of movement), catalepsy (trance-like state), and decreased rectal temperature. Amber Smith, Discover Magazine, 24 Feb. 2023 The new study claims that endocannabinoids are involved in non-opioid placebo analgesia. Neuroskeptic, Discover Magazine, 15 Oct. 2011 Kappa receptors also have recently become more promising targets for analgesia. Jonathon Keats, Discover Magazine, 11 May 2018 Acid Trip Stein’s accidental late-’80s discovery of a connection between analgesia and inflammation opened a new pathway to pain treatment. Jonathon Keats, Discover Magazine, 11 May 2018 Also, the higher the BAC, the greater the analgesia. Taysha Murtaugh, Country Living, 4 May 2017 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'analgesia.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


borrowed from New Latin, borrowed from Greek analgēsía "lack of feeling, insensibility," from an- an- + álgēsis "sense of pain" (from algē-, variant stem of algéō, algeîn "to feel pain, suffer" — derivative of álgos "pain," of uncertain origin — + -sis -sis) + -ia -ia entry 1, probably formed after análgētos "insensible to pain"

First Known Use

circa 1706, in the meaning defined above

Time Traveler
The first known use of analgesia was circa 1706

Dictionary Entries Near analgesia

Cite this Entry

“Analgesia.” Dictionary, Merriam-Webster, Accessed 20 Feb. 2024.

Kids Definition


an·​al·​ge·​sia ˌan-ᵊl-ˈjē-zhə How to pronounce analgesia (audio)
: loss of the ability to feel pain while awake
adjective or noun

Medical Definition


an·​al·​ge·​sia ˌan-ᵊl-ˈjē-zhə, -z(h)ē-ə How to pronounce analgesia (audio)
: insensibility to pain without loss of consciousness

More from Merriam-Webster on analgesia

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!