D defs.my
Entry 1 sense Webster, 1913

Incognizable

· In·cog·ni·za·ble · IPA
01 a. Not cognizable; incapable of being recognized, known, or distinguished.
  1. 1.
    Not cognizable; incapable of being recognized, known, or distinguished.
    “The Lettish race, not a primitive stock of the Slavi, but a distinct branch, now become incognizable.” — Tooke.