With which one is not acquainted or familiar; unfamiliar, unaccustomed, strange. Of lands or places.

With which one is not acquainted or familiar; unfamiliar, unaccustomed, strange. Of ways, paths, etc. (frequently passing into sense A. 5).

Not known through personal experience or acquaintance; not familiar. Cf. know, v. II. Of a place, experience, thing, etc.: not previously…

Not discovered, found, or come upon.

Not beaten or trodden down. Also figurative.

= trackless, adj.

= unbeaten, adj.

Not travelled over or through.

Without a track or path; pathless; not marked by a track; untrodden.

(un-, prefix1 affix 2.)

Not (yet) mapped; uncharted; unexplored. Also figurative.

Of which there is not a map or chart.

Not placed or located (in various senses of the verb). Frequently spec.: (North American and Australian): (of land) not granted or designated…