analgesia

UK: /ˌæn^əlˈdʒiːzɪə/ US: (an′l jē′zē ə, -sē ə)

WordReference Random House Unabridged Dictionary of American English © 2025

an•al•ge•si•a  (an′l jē′zē ə, -sē ə), n. [Med.]

1. Medicine absence of sense of pain.

• Greek analgēsía painlessness, equivalent. to análgēt(os) without pain (an- an-¹ + álg(os) pain + -ētos adjective, adjectival suffix) + -ia -ia
• Neo-Latin
• 1700–10

Collins Concise English Dictionary © HarperCollins Publishers::

analgesia / ˌæn^əlˈdʒiːzɪə -sɪə/, analgia / ænˈældʒɪə/ noun

1. inability to feel pain
2. the relief of pain

Etymology: 18th Century: via New Latin from Greek: insensibility, from an- + algēsis sense of pain