Synonyms for central

modified

1. Situated at the center

   middle, midway, equidistant, medial, focal, nuclear, pivotal, axial, umbilical, midmost, mean, centric, inner, median, inmost, middlemost, centroidal, intermediate, interior, in the center of, accessible; see also center, convenient 2, inside 4.

   Antonyms peripheral, outer*, verging on.

2. Fundamental

   prime, basic, primary; see fundamental 1, necessary 1, principal.