Antonyms of adj outstanding

4 senses of outstanding

Sense 1
outstanding -- (distinguished from others in excellence; "did outstanding work in human relations"; "an outstanding war record")

INDIRECT (VIA superior) -> inferior -- (of low or inferior quality)

Sense 2
outstanding, prominent, salient, spectacular, striking -- (having a quality that thrusts itself into attention; "an outstanding fact of our time is that nations poisoned by anti semitism proved less fortunate in regard to their own freedom"; "a new theory is the most prominent feature of the book"; "salient traits"; "a spectacular rise in prices"; "a striking thing about Picadilly Circus is the statue of Eros in the center"; "a striking resemblance between parent and child")

INDIRECT (VIA conspicuous) -> inconspicuous, invisible -- (not prominent or readily noticeable; "he pushed the string through an inconspicuous hole"; "the invisible man")

Sense 3
outstanding, owing (predicate), undischarged -- (owed as a debt; "outstanding bills"; "the amount still owed"; "undischarged debts")

INDIRECT (VIA unpaid) -> paid -- (marked by the reception of pay; "paid work"; "a paid official"; "a paid announcement"; "a paid check")

Sense 4
great, outstanding -- (of major significance or importance; "a great work of art"; "Einstein was one of the outstanding figures of the 20th centurey")

INDIRECT (VIA important) -> unimportant -- (not important; "a relatively unimportant feature of the system"; "the question seems unimportant")

Similarity of adj outstanding

4 senses of outstanding

Sense 1
outstanding -- (distinguished from others in excellence; "did outstanding work in human relations"; "an outstanding war record")
       => superior (vs. inferior) -- (of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students")

Sense 2
outstanding, prominent, salient, spectacular, striking -- (having a quality that thrusts itself into attention; "an outstanding fact of our time is that nations poisoned by anti semitism proved less fortunate in regard to their own freedom"; "a new theory is the most prominent feature of the book"; "salient traits"; "a spectacular rise in prices"; "a striking thing about Picadilly Circus is the statue of Eros in the center"; "a striking resemblance between parent and child")
       => conspicuous (vs. inconspicuous) -- (obvious to the eye or mind; "a tower conspicuous at a great distance"; "wore conspicuous neckties"; "made herself conspicuous by her exhibitionistic preening")

Sense 3
outstanding, owing (predicate), undischarged -- (owed as a debt; "outstanding bills"; "the amount still owed"; "undischarged debts")
       => unpaid (vs. paid) -- (not paid; "unpaid wages"; "an unpaid bill")

Sense 4
great, outstanding -- (of major significance or importance; "a great work of art"; "Einstein was one of the outstanding figures of the 20th centurey")
       => important (vs. unimportant), of import -- (of great significance or value; "important people"; "the important questions of the day")