Antonyms of adj surreptitious

2 senses of surreptitious

Sense 1
furtive, sneak (prenominal), sneaky, stealthy, surreptitious -- (marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch")

INDIRECT (VIA concealed) -> unconcealed -- (not concealed or hidden; "her unconcealed hostility poisoned the atmosphere"; "watched with unconcealed curiosity")

Sense 2
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")

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 surreptitious

2 senses of surreptitious

Sense 1
furtive, sneak (prenominal), sneaky, stealthy, surreptitious -- (marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch")
       => concealed (vs. unconcealed) -- (hidden on any grounds for any motive; "a concealed weapon"; "a concealed compartment in his briefcase")

Sense 2
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")
       => 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")