D defs.my
Entry 2 senses Webster, 1913

Unipersonal

· U·ni·per·son·al · IPA
01 a. Existing as one, and only one, person; as, a unipersonal God.
  1. 1.
    Existing as one, and only one, person; as, a unipersonal God.
  2. 2.
    Used in only one person, especially only in the third person, as some verbs; impersonal.(Gram.)