dominant, adj. 1. ruling, controlling, governing, regnant, reigning; supreme, superior, surpassing, preeminent, paramount.
2. commanding, prominent, most important or influential; predominant, main, chief, principal, head, leading, strongest; prevailing, prevalent, most widespread.
dominate, v. 1. control, rule over, reign over, exercise control over, govern; command, order, dictate, have it all one's way, call the shots, call the plays, run the show; boss, lay down the law, hold the purse strings; be in control, be in the driver's seat, be in the saddle, wear the pants or trousers, be in a position of authority, hold all the cards, have well in hand, have under control; rule the roost, wear the crown, occupy the throne, have the whip hand; wield the scepter, wield the power or authority, sway, bend to one's will.
2. subdue, overpower, domineer, master, gain the upper hand, get the better of; be master of the situation, be on top of, have [s.o.] under one's thumb; browbeat, intimidate, bully, ride roughshod over, ride herd on; oppress, repress, suppress, rule with a high hand, rule with an iron hand, rule with a rod of iron, tyrannize; keep down or under, lord it over, break, humble, crush; subjugate, subject, subordinate, enthrall, enslave, reduce to slavery, hold captive, hold in bondage.
3. tower above, loom over, stand over, bestride; overlook, survey; project, jut over, hang over, beetle over.
4. overshadow, eclipse, overtop, rise above, be superior to; outshine, be in the ascendant, be supreme, crown, top, cap, beat; surpass, surmount, exceed, outweigh, preponderate; overrule, override, prevail over, take precedence over; dwarf, detract from, take away from.
5. predominate, prevail, be widespread, permeate, pervade, overrun, overspread; characterize, distinguish, designate, define, describe, denominate.
domination, n. 1. control, rule, command, authority; power, influence, sway, ascendancy, supremacy, reign; overpoweringness, overwhelmingness, mastery, the whip or upper hand; domineeringness, browbeating, intimidating, intimidation; bullying, riding roughshod over, riding herd on.