inenarrable /ɪnɪˈnæɹəb(ə)l/ adjective1 •(formal, literary) That cannot be told; indescribable, inexpressible, unspeakable.For where almyghty god is resydent all thynges be good, whose goodnes is inenarrable and euerlastynge. — 1508 formsmore inenarrable · most inenarrable