undeveloped
1. [ adjective ] not developed
Examples:

"courses in interior design were rare and undeveloped" "undeveloped social awareness"

Related terms: developed immature vestigial budding
2. [ adjective ] (of real estate) not built upon or ready for building upon
Examples:

"taxes on undeveloped lots are low"

Related terms: unimproved
3. [ adjective ] undeveloped or unused
Synonyms: unexploited
Examples:

"vast unexploited (or undeveloped) natural resources"

Related terms: exploited untapped fallow
Similar spelling:   undefined
  undefiled
  undefended
  undefeated
  unadvised
  undepicted