Rudimentary

1. (a.) Being in first stages; elementary; initial; as, rudimentary essays.

2. (a.) Very imperfectly developed; in an early stage of development; embryonic.

Thesaurus Entries

Lilliputian, Tom Thumb, abecedarian, aboriginal, antenatal, arrested, autochthonous, backward, basal, basic, basilar, beginning, budding, central, coarse, creative, crucial, crude, dumpy, dwarf, dwarfed, dwarfish, elemental, elementary, elfin, embryonic, essential, fetal, first, formative, foundational, fundamental, generative, genetic, germinal, gestatory, immature, imperfect, in embryo, in its infancy, in ovo, in the bud, in the rough, inaugural, inceptive, inchoate, inchoative, incipient, incunabular, infant, infantile, initial, initiative, initiatory, introductory, inventive, meager, midget, nanoid, nascent, natal, original, oversimple, parturient, postnatal, pregnant, prenatal, primal, primary, prime, primeval, primitive, primogenial, primordial, pristine, procreative, protogenic, pygmy, radical, reductionistic, reductive, rough, roughcast, roughhewn, rude, rudimental, runty, scraggy, scrubby, seminal, shriveled, shrunk, shrunken, simplistic, squat, stunted, unblown, uncultivated, uncultured, uncut, underdeveloped, underlying, undersize, undersized, undeveloped, unfashioned, unfinished, unformed, unhewn, unlabored, unlicked, unpolished, unprocessed, unrefined, unshaped, untreated, unworked, unwrought, ur, vestigial, wizened