undeveloped
[adjective]
Synonyms: potential, immature, latent

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Antonyms: developed, advanced

[TahlilGaran] English Synonym Dictionary ▲

un‧de‧vel‧oped /ˌʌndɪˈveləpt◂/ adjective
[Word Family: noun: developer, development, redevelopment; verb: develop, redevelop; adjective: developed ≠ undeveloped, developing]

1. used in order to describe land which has not yet been used for building, farming etc:
an undeveloped stretch of coastline

2. used in order to describe a country or area that does not have modern industry, and usually has a low standard of living ⇒ underdeveloped:
the undeveloped regions of the world

3. not fully grown:
a child’s undeveloped mind

[TahlilGaran] Dictionary of Contemporary English ▲