unexploited
1. [ adjective ] undeveloped or unused
Synonyms: undeveloped
Examples:

"vast unexploited (or undeveloped) natural resources"

Related terms: exploited untapped fallow
Similar spelling:   unexplored
  unexploded
  unexpired
  unexpected
  unexplained
  unexpectedly
  unexpurgated
  unexplorative
  unexpectedness
  unexpended
  unexpressed
  unexploratory