Hy`per*bo"re*an (?), a. [L. hyperboreus, Gr. &?;; "ype`r over, beyond + &?;. See Boreas.] 1. (Greek Myth.) Of or pertaining to the region beyond the North wind, or to its inhabitants.

2. Northern; belonging to, or inhabiting, a region in very far north; most northern; hence, very cold; fright, as, a hyperborean coast or atmosphere.

The hyperborean or frozen sea.

Hy`per*bo"re*an, n. 1. (Greek Myth.) One of the people who lived beyond the North wind, in a land of perpetual sunshine.

2. An inhabitant of the most northern regions.

• one of a race of people in Greek mythology living in the extreme north, beyond the north wind
  
• (usually jocular) any person living in a northern country, or to the north
  
• pertaining to the extreme north of the earth, or (usually jocular) to a specific northern country or area
       *1922: —You could have knelt down, damn it, Kinch, when your dying mother asked you, Buck Mulligan said. I'm hyperborean as much as you. But to think of your mother begging you with her last breath to kneel down and pray for her. And you refused. — James Joyce, Ulysses