irrecognizable

1. (archaic, rare) Unable to be recognized.Examples: "The immortal gods are there (quite irrecognizable under these disguises), and also the lowest broken valets."; "[T]here remains no trace of their having ever existed—outside of course of the family names which are now preserved, though some of them in an almost irrecognizable form."; "The loamy ground on which I lay, the scattered fragments of the cairn beside me, and the rocks and junipers, were irrecognizable as if they had belonged to some other planet than ours."Synonyms: unrecognizablearchaicrare