outstanding

outstanding (Prominent), adjective august, chief, consequential, conspicuous, distinctive, elevated, eminent, especial, esteemed, exalted, excellent, excelling, exceptional, eximious, extraordinary, famed, famous, far-famed, foremost, great, honorable, honored, illustrious, important, imposing, impressive, incomparable, influential, known, luminous, lustrous, marked, memorable, nonpareil, notable, noted, noteworthy, paramount, peerless, preeminent, prestigious, princely, principal, ranking, recognized, remarkable, renowned, reputable, respected, revered, royal, salient, significant, special, starring, sublime, substantial, superior, superlative, supreme, transcendent, unparalleled, venerable

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outstanding (Unpaid), adjective delinquent, due, in arrears, overdue, owing, past due, payable, surviving, uncollected, ungathered, unliquidated, unrecompensed, unrequited, unsatisfied, unsettled

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outstanding (Unresolved), adjective in suspense, indefinite, irresolved, open, pending, unascertained, unconcluded, undecided, unfinished, unsettled

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See also: best, blatant, conspicuous, critical, crucial, delinquent, due, extraordinary, famous, flagrant, important, infrequent, leading, major, master, momentous, notable, noteworthy, open, overdue, particular, past due, payable, portentous, preferential, principal, prominent, receivable, remarkable, renowned, residuary, salient, special, specific, stellar, uncommon, unpaid, unsettled, unusual