Antonyms of adj overt

1 sense of overt

Sense 1
overt (vs. covert), open -- (open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering"; "open ballots")

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")
        => backstair, backstairs, furtive -- (secret and sly or sordid; "backstairs gossip"; "his low backstairs cunning"- A.L.Guerard; "backstairs intimacies"; "furtive behavior")
        => black -- ((of intelligence operations) deliberately misleading; "black propaganda")
        => clandestine, cloak-and-dagger, hole-and-corner (prenominal), hugger-mugger, hush-hush, secret, surreptitious, undercover, underground -- (conducted with or marked by hidden aims or methods; "clandestine intelligence operations"; "cloak-and-dagger activities behind enemy lines"; "hole-and-corner intrigue"; "secret missions"; "a secret agent"; "secret sales of arms"; "surreptitious mobilization of troops"; "an undercover investigation"; "underground resistance")
        => secret -- (indulging only covertly; "a secret alcoholic")
        => collusive, conniving -- (acting together in secret toward a fraudulent or illegal end)
        => cloaked, disguised, masked -- (having its true character concealed with the intent of misleading; "hidden agenda"; "masked threat")
        => secret -- (communicated covertly; "their secret signal was a wink"; "secret messages")
        => 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")
        => subterranean, subterraneous, ulterior -- (lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed); "subterranean motives for murder"; "looked too closely for an ulterior purpose in all knowledge"- Bertrand Russell)
        => under wraps (predicate) -- (kept secret; "the plan was kept carefully under wraps")
        => undisclosed, unrevealed -- (not made known)

Similarity of adj overt

1 sense of overt

Sense 1
overt (vs. covert), open -- (open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering"; "open ballots")
       => bald, barefaced -- (with no effort to conceal; "a barefaced lie")
       => naked, raw -- (devoid of elaboration or diminution or concealment; bare and pure; "naked ambition"; "raw fury"; "you may kill someone someday with your raw power")
       => undisguised -- (plain to see; "undisguised curiosity")
       => visible -- (obvious to the eye; "a visible change of expression")
          Also See-> explicit#1, expressed#2; unconcealed#1; public#1