Antonyms of adj otc

1 sense of otc

Sense 1
over-the-counter, otc -- ((of securities) not traded on a stock exchange; "over-the-counter stocks")

INDIRECT (VIA unlisted) -> listed -- (on a list)

Similarity of adj otc

1 sense of otc

Sense 1
over-the-counter, otc -- ((of securities) not traded on a stock exchange; "over-the-counter stocks")
       => unlisted (vs. listed) -- (not on a list; "an unlisted telephone number")