Antonyms of adj sub-rosa

1 sense of sub-rosa

Sense 1
sub-rosa, under-the-table, behind-the-scenes -- (designed and carried out secretly or confidentially; "a sub-rosa report"; "has their under-the-table backing")

INDIRECT (VIA covert) -> overt, open -- (open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering"; "open ballots")

Similarity of adj sub-rosa

1 sense of sub-rosa

Sense 1
sub-rosa, under-the-table, behind-the-scenes -- (designed and carried out secretly or confidentially; "a sub-rosa report"; "has their under-the-table backing")
       => covert (vs. overt) -- (secret or hidden; not openly practiced or engaged in or shown or avowed; "covert actions by the CIA"; "covert funding for the rebels")

Synonyms of adv sub-rosa

1 sense of sub rosa

Sense 1
sub rosa -- (in secret or covertly; "held a meeting sub rosa to avoid general criticism")