undeveloped
adjective
1. not developed, mature, or fully formulated
- courses in interior design were rare and undeveloped
- undeveloped social awareness
Similar word(s): budding, rudimentary, vestigial
2. not developed, improved, exploited or used
- vast unexploited (or undeveloped) natural resources
- taxes on undeveloped lots are low
Similar word(s): fallow, untapped, unexploited