Synonyms and related words :
arrested, backward, behindhand, callow, coarse, crude, defective, deficient, embryonic, failing, hypoplastic, immature, in arrear, in arrears, in default, in embryo, in ovo, in short supply, in the rough, inadequate, incomplete, infant, lacking, missing, needing, oversimple, part, partial, patchy, reductionistic, reductive, rough, roughcast, roughhewn, rude, rudimental, rudimentary, scant, scanty, scrappy, short, shy, simplistic, sketchy, stunted, unblown, uncultivated, uncultured, uncut, undeveloped, unfashioned, unfinished, unformed, unhewn, unlabored, unlicked, unpolished, unprocessed, unprogressive, unrefined, untreated, unworked, unwrought, wanting