Antonyms of adj on-going

1 sense of on-going

Sense 1
ongoing, on-going -- (currently happening; "an ongoing economic crisis")

INDIRECT (VIA current) -> noncurrent -- (not current or belonging to the present time)
                                                                         

Similarity of adj on-going

1 sense of on-going

Sense 1
ongoing, on-going -- (currently happening; "an ongoing economic crisis")
       => current (vs. noncurrent) -- (occurring in or belonging to the present time; "current events"; "the current topic"; "current negotiations"; "current psychoanalytic theories"; "the ship's current position")