senior, toparch, big, capital, cardinal, central, chief, dominant, first, foremost, grand, great, greatest, highest, key, leading, main, master, number one(also No. 1), numero uno, overbearing, overmastering, overriding, paramount, predominant, preeminent, premier, primal, primary, principal, prior, sovereign(also sovran), supremedistinguished, eminent, illustrious, noble, notable, noteworthy, outstanding, prestigious, signal, star, stellar, superiorimportant, influential, major, mighty, momentous, significantincomparable, matchless, unequaled(or unequalled), unparalleled, unsurpassedcelebrated, famed, famous, renowned

inconsequential, inconsiderable, insignificant, minor, negligible, slight, trifling, trivial, unimportantcollateral, inferior, secondary, subordinate, subsidiarylast, least