THESAURUS
ablative, arrested, backward, coarse, conceptually crude, contractive, crude, declining, decreasing, decrescendo, decrescent, deductive, deliquescent, diminishing, diminuendo, dwindling, embryonic, erosive, in embryo, in ovo, in the rough, intellectually childish, languishing, lessening, on the wane, oversimple, reductionistic, rough, roughcast, roughhewn, rude, rudimental, rudimentary, simplistic, stunted, subsiding, subtractive, unblown, uncultivated, uncultured, uncut, underdeveloped, undeveloped, unfashioned, unfinished, unformed, unhewn, unlabored, unlicked, unpolished, unprocessed, unrefined, untreated, unworked, unwrought, waning