adjective
1.
superior to all others in power, influence, or importance
the Sumerians were a dominant race of ancient times
Synonyms: ascendant, master, outweighing, overbalancing, overbearing, overweighing, paramount, predominant, predominate, preponderant, prevalent, regnant, sovereign
Related Word: prevailing; preeminent, supreme, surpassing, transcendent; chief, first, foremost, leading, main, principal; governing, ruling
Contrasted words: collateral, dependent, secondary, subject, tributary; unimportant
Antonyms: subordinate
2.
Synonyms: chief 2, capital, ||cock, main, major, number one, predominant, preeminent, principal, stellar