immemorial Meaning, Definition & Usage

  1. adjective satellite long past; beyond the limits of memory or tradition or recorded history
    • time immemorial

WordNet

Im`me*mo"ri*al adjective
Etymology
Pref. im- not + memorial: cf. F. immémorial.
Definitions
  1. Extending beyond the reach of memory, record, or tradition; indefinitely ancient; as, existing from time immemorial. "Immemorial elms." Tennyson. "Immemorial usage or custom." Sir M. Hale.

Webster 1913