Find the word definition

The Collaborative International Dictionary
Unipersonal

Unipersonal \U"ni*per"son*al\, a. [Uni- + personal.]

  1. Existing as one, and only one, person; as, a unipersonal God.

  2. (Gram.) Used in only one person, especially only in the third person, as some verbs; impersonal.

Douglas Harper's Etymology Dictionary
unipersonal

1810, from uni- + personal (adj.).

Wiktionary
unipersonal

a. Comprising a single person