Synonyms of undeveloped

Adjective

1. undeveloped (vs. developed), budding, vestigial, rudimentary

usage: not developed; "courses in interior design were rare and undeveloped"; "undeveloped social awareness"

2. unexploited (vs. exploited), undeveloped, fallow, untapped

usage: undeveloped or unused; "vast unexploited (or undeveloped) natural resources"; "taxes on undeveloped lots are low"

Definition and meaning of undeveloped (Dictionary)