the mind > mental capacity > knowledge > want of knowledge, ignorance > that which is unknown > [adjective] > not known to many > lacking repute (5)
Having little fame or renown; not highly regarded; obscure. Obsolete.
Of language, literature, a literary source, etc.: obscure, little known.
Unrenowned, unheralded; unknown, obscure.
Of a person: unknown, not well known; not having made a name in a particular profession, etc.