supremacy

1 controlling power or influence over others the Roman empire had supremacy over the entire Mediterranean world Synonyms ascendance (also ascendence), ascendancy (also ascendency), dominance, domination, dominion, hegemony, imperium, predominance, predominancy, preeminence, reign, sovereignty (also sovranty) Related Words primacy, superiority; lordship, scepter; arm, authority, choke hold, clutch, command, control, grip, hold, mastery, sway; takeover; direction, jurisdiction, management; clout, might, pull, weight; eminence, importance, moment; prerogative, privilege, right Near Antonyms helplessness, weakness; impotence, impotency, powerlessness

2 exceptionally high quality the supremacy of cashmere among wools accounts for its high price Synonyms choiceness, distinction, excellency, first-rateness, greatness, perfection, preeminence, primeness, superbness, superiority, excellenceRelated Words faultlessness, flawlessness, impeccability, perfectness; goodness, value, worth; consequence, importance, notabilityNear Antonyms averageness, badness, crumminess, inferiority, mediocrity, ordinariness, worthlessness

3 the fact or state of being above others in rank or importance England's maritime supremacy in the 18th century Synonyms distinction, dominance, noteworthiness, paramountcy, preeminence, preponderance, preponderancy, prepotency, prestigiousness, primacy, superiority, eminence, transcendenceRelated Words celebrity, fame, famousness, glory, honor, kudos, renown, reputation, repute; megastardom, stardom, superstardom; greatness, illustriousness, nobleness, notableness; ascendance (also ascendence), ascendancy (also ascendency), authority, domination, dominion; influence, power, prestige, weight; infamy, notorietyNear Antonyms insignificance; inferiority, mediocrity; obscureness, obscurity