primitive

Definitions:

Of or belonging to remote or early times; ancient; pristine; old- fashioned; denoting that from which others are derived or formed.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (adjective) (adj.) (adjective)
Pertaining to the beginning or origin; original; primary; radical; formal; old- fashioned.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (adjective) (adj.) (adjective)
A word not derived from another. Primitive colours, red, yellow, and blue. Primitive rocks. See Primary.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (noun) (n.) (noun)
Belonging to the beginning, or to the first times: original: ancient: antiquated: old- fashioned: not derived.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (adjective) (adj.) (adjective)
Original; ancient.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (adjective) (adj.) (adjective)
An underived word.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (noun) (n.) (noun)
Of earliest origin; groove, knot, streak, aorta, palate, ventricle.
- A dictionary of scientific terms. By Henderson, I. F.; Henderson, W. D. Published 1920. (adjective) (adj.) (adjective)
A primitive word, or one not derived from another.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (noun) (n.) (noun)
Primitively.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adverb) (adv.) (adverb)
A word in its simplest form and not derived from another.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
An original word; a word not derived from another.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (noun) (n.) (noun)
Pertaining to the beginning; original: opposite to derivative; simple or crude; old fashioned.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adjective) (adj.) (adjective)
Primitiveness.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)

Usage examples:

You're just the same old Jim, a bit of a savage and just as primitive as ever.
- The Lost Valley by J. M. Walsh
Ignorant she might be, surely was, but she was vital and human; she had witnessed life and its meaning in The Hollow- she was primitive and childish- but she understood!
- A Son of the Hills by Harriet T. Comstock
These were the primitive days of our army in France.
- Average Americans by Theodore Roosevelt