out·stand·ing adj1: not paidhad several outstanding debts2: publicly issued and solda million shares outstanding
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.
august, celebrated, chief, consequential, conspicuous, distinctive, distinguished, 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, majestic, 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, supereminent, superior, superlative, supreme, transcendent, unforgettable, unparalleled, venerable
delinquent, due, in arrears, overdue, owing, past due, payable, surviving, uncollected, ungathered, unliquidated, unrecompensed, unrequited, unsatisfied, unsettled
in suspense, incomplete, indefinite, irresolved, open, pending, unadjusted, unascertained, unconcluded, undecided, undetermined, unfinished, unsettled
best, blatant (conspicuous), critical (crucial), delinquent (overdue), due (owed), extraordinary, famous, flagrant, important (significant), infrequent, leading (ranking first), major, master, momentous, notable, noteworthy, open (in sight), overdue, particular (specific), past due, payable, portentous (eliciting amazement), preferential, principal, prominent, receivable, remarkable, renowned, residuary, salient, special, stellar, uncommon, unpaid, unsettled, unusual
Burton's Legal Thesaurus. William C. Burton. 2006
adj.Undone; remaining to be done or paid.
The Essential Law Dictionary. — Sphinx Publishing, An imprint of Sourcebooks, Inc. Amy Hackney Blackwell. 2008.