anorgasmiaPronunciation: /ˌanɔːˈgazmɪə/Definition of anorgasmia noun [mass noun] Medicine persistent inability to achieve orgasm despite responding to sexual stimulation. Derivatives anorgasmic adjective Origin: 1970s: from an-1 + orgasm + -ia1anorgasmia in other Oxford dictionaries Definition of anorgasmia in the US English dictionary