MeanOF

undeveloped

- adjective (adj)

Meaning: immature

Synonyms: abortive backward behindhand embryonic half-baked ignored inchoate incipient inexperienced latent potential primitive primordial unactualized underdeveloped unevolved unprogressive untaught untrained
Antonyms: adult developed grown mature

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.