encyclopedic
ɛnˌsʌɪklə(ʊ)ˈpiːdɪk
ɪnˌsʌɪklə(ʊ)ˈpiːdɪk
adjective
comprehensive in terms of information.
he has an almost encyclopedic knowledge of food
comprehensive,complete,thorough,thoroughgoing,full,exhaustive,in-depth,wide-ranging,broad-ranging,broad-based,cross-disciplinary,interdisciplinary,multidisciplinary,all-inclusive,all-embracing,all-encompassing,universal,vast,compendious,across the board,wall-to-wall