• relating to, denoting, or preserving the character of an early stage in the evolutionary or historical development of something

Synonyms: ancient, earliest, first, prehistoric, antediluvian, antique, primordial, primeval, primal, primary, lower, original, proto-, ur-

• very basic or unsophisticated in terms of comfort, convenience, or efficiency

Synonyms: crude, simple, rough, basic, elementary, rough-hewn, rudimentary, undeveloped, unrefined, unsophisticated, rude, rough and ready, makeshift

• not developed or derived from anything else

• (of a part or structure) in the first or early stage of formation or growth; rudimentary

Synonyms: rudimentary, undeveloped, incomplete, embryonic, immature

• a person belonging to a preliterate, non-industrial society

• a pre-Renaissance painter, or one who imitates the pre-Renaissance style

• a word, base, or root from which another is historically derived