/nee'euh lith"ik/ , adj.
1. ( sometimes l.c. ) Anthropol. of, pertaining to, or characteristic of the last phase of the Stone Age, marked by the domestication of animals, the development of agriculture, and the manufacture of pottery and textiles: commonly thought to have begun c9000-8000 B.C. in the Middle East. Cf. Mesolithic, Paleolithic .
2. ( usually l.c. ) belonging to or remaining from an earlier era; outdated; passé.
[ 1860-65; NEO- + -LITHIC ]