- Rhymes: -eɪnɪŋ
- Currently ruling or holding a position.
- The reigning wold heavyweight champion said he'd defend his title once more and then retire even if he won.
- Present participle of reign.
ascendant, at the head, average, besetting, boss, chief, commanding, common, controlling, current, dominant, epidemic, general, governing, head, hegemonic, hegemonistic, in ascendancy, in charge, in chief, in the ascendant, leading, master, normal, ordinary, pandemic, paramount, popular, predominant, predominate, predominating, prepollent, preponderant, preponderate, prepotent, prevailing, prevalent, rampant, regnant, regulating, regulative, regulatory, rife, routine, ruling, running, sovereign, standard, stereotyped, supreme, usual