adj. 25B6; adjective
an outstanding painter : EXCELLENT, marvellous, magnificent, superb, fine, wonderful, superlative, exceptional, first-class, first-rate; informal great, terrific, tremendous, super, amazing, fantastic, sensational, fabulous, ace, crack, A1, mean, awesome, out of this world; Brit. informal smashing, brilliant; N. Amer. informal neat; Austral. informal bonzer.
an outstanding decorative element : REMARKABLE, extraordinary, exceptional, striking, eye-catching, arresting, impressive, distinctive, unforgettable, memorable, special, momentous, significant, notable, noteworthy; informal out of this world.
how much work is still outstanding? : TO BE DONE, undone, unattended to, unfinished, incomplete, remaining, pending, ongoing.
outstanding debts : UNPAID, unsettled, owing, owed, to be paid, payable, due, overdue, undischarged; N. Amer. delinquent.
unexceptional.