THESAURUS
simplistic
arrested, backward, coarse, conceptually crude, crude, embryonic, in embryo, in ovo, in the rough, intellectually childish, oversimple, reductionistic, reductive, rough, roughcast, roughhewn, rude, rudimental, rudimentary, stunted, unblown, uncultivated, uncultured, uncut, underdeveloped, undeveloped, unfashioned, unfinished, unformed, unhewn, unlabored, unlicked, unpolished, unprocessed, unrefined, untreated, unworked, unwrought