adjective
1.
occupying a dominant or supremely important position
the central theme of American foreign policy
Synonyms: cardinal, overriding, overruling, pivotal, ruling
Related Word: dominant, paramount, predominant, preponderant; important, significant; outstanding, salient, signal; chief, essential, foremost, leading, main; all-absorbing, controlling, master; focal, key; basic, fundamental, primary, radical
Contrasted words: insignificant, minor, trivial, unimportant; borderline, marginal
Antonyms: peripheral
2.
Synonyms: middle 2, center, intermediary, intermediate, mean, medial, median, mid