UNDEVELOPED


Meaning of UNDEVELOPED in English

adjective

1.

Synonyms: backward 6, behindhand, underdeveloped, unprogressive

Antonyms: developed

2.

Synonyms: primitive 3, archaic, persistent, unevolved

Antonyms: advanced

Merriam Webster. Collegiate thesaurus English vocabulary.      Английский энциклопедический словарь тезаурус.