incognizable Meaning, Definition & Usage

  1. adjective satellite incapable of being perceived or known
    incognoscible.

WordNet

In*cog"ni*za*ble adjective
Definitions
  1. Not cognizable; incapable of being recognized, known, or distinguished. H. Spenser.
    The Lettish race, not a primitive stock of the Slavi, but a distinct branch, now become incognizable. Tooke.

Webster 1913