(a.) Having the ascendency over others; superior in number, strength, influence, or authority\; prevailing; as, a predominant color; predominant excellence.

all-absorbing arch ascendant at the head average banner besetting boss capital cardinal central champion chief commanding common controlling crowning current dominant epidemic first focal foremost general governing great head headmost hegemonic hegemonistic highest important in ascendancy in charge in chief in the ascendant influential leading magisterial main major master normal number one on the throne ordinary outstanding overbearing overriding overruling pandemic paramount popular predominate predominating preeminent premier prepollent preponderant preponderate prepotent prevailing prevalent primal primary prime principal rampant ranking regnant regulating regulative regulatory reigning rife routine ruling running sovereign standard star stellar stereotyped supereminent superior supreme swaying telling topflight topmost transcendant uppermost usual