Synonyms of outstanding

1 Syllable

main, bad, grand, boss, owed, duer, chief, best, tops, cool, great, crack, wk, star

2 Syllables

special, beetling, topflight, grander, seeable, besting, striking, fined, greatest, marked, bigshot, picker, champion, big-name, primo, big-shot, braggest, glaring, banners, owing, stand-out, central, prizer, famous, finer, sterling, payable, mainer, leading, chiefest, well-known, centric, greater, fining, superb, ace, super, banner, peerless, major, grandest, first-rate, topnotch, world-class, acer, prizing, creamer, salient, a-1, far-out, mostest, standout, steller, axial, splasher, bang-up

3 Syllables

alltime, notable, important, centroidal, distingue, eventful, nameable, principals, celebrious, paramount, pronounced, unusual, successful, lionlike, page-oner, unhidden, viewable, well-thought-of, renowned, laureate, momentous, magnific, overdue, principal, unwonted, capitals, superior, towering, superstar, eminent, gilt-edged, visible, illustrious, historic, distingué, dominant, leonine, preeminent, towery, undefrayed, arresting, singular, capital, mainline, bestselling, exalted, hundred-proof, out-of-sight, prominent, excellent, wonderful, especial

4 Syllables

phenomenal, prize-winning, impressive, protrusive, unexcelled, arrestive, distinctive, exceptional, exquisite, celebrated, distinguished, predominant, second-to-none, monumental, unrivaled, extrusive, noteworthy, noticeable, award-winning, magnificent, a-number-1, meritorious, out-of-this-world, sensational, receivable, best-quality, high-profile, remarkable

5 Syllables

much-publicized, unparagoned, super-eminent, attributable, unordinary, extraordinary, supereminent, unliquidated, superlative, highest-quality

6 Syllables

sensationalistic