covert

nouns

a flock of coots
covert
is a type of (narrower)
a group of birds
flock
a covering that serves to conceal or shelter something
"a screen of trees afforded privacy"; "under cover of darkness"; "the brush provided a covert for game"; "the simplest concealment is to match perfectly the color of the background"
concealment, cover, covert, screen

adjectives

secret or hidden; not openly practiced or engaged in or shown or avowed
"covert actions by the CIA"; "covert funding for the rebels"
covert
is derived from
covertness
antonym
overt
is similar to
secret and sly or sordid
"backstairs gossip"; "his low backstairs cunning"- A.L.Guerard; "backstairs intimacies"; "furtive behavior"
backstair, backstairs, furtive
is similar to
(of intelligence operations) deliberately misleading
"black propaganda"
black
is similar to
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"
clandestine, cloak-and-dagger, hole-and-corner, hugger-mugger, hush-hush, secret, surreptitious, undercover, underground
is similar to
indulging only covertly
"a secret alcoholic"
secret
is similar to
acting together in secret toward a fraudulent or illegal end
collusive, conniving
is similar to
having its true character concealed with the intent of misleading
"hidden agenda"; "masked threat"
cloaked, disguised, masked
is similar to
communicated covertly
"their secret signal was a wink"; "secret messages"
secret
is similar to
designed and carried out secretly or confidentially
"a sub-rosa report"; "has their under-the-table backing"
behind-the-scenes, sub-rosa, under-the-table
is similar to
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
subterranean, subterraneous, ulterior
is similar to
kept secret
"the plan was kept carefully under wraps"
under wraps
is similar to
not made known
undisclosed, unrevealed
see also
implied though not directly expressed; inherent in the nature of something
"an implicit agreement not to raise the subject"; "there was implicit criticism in his voice"; "anger was implicit in the argument"; "the oak is implicit in the acorn"
implicit, inexplicit
see also
hidden on any grounds for any motive
"a concealed weapon"; "a concealed compartment in his briefcase"
concealed
see also
impossible or nearly impossible to see; imperceptible by the eye
"the invisible man"; "invisible rays"; "an invisible hinge"; "invisible mending"
invisible, unseeable
(of a wife) being under the protection of her husband
"a woman covert"
covert
is similar to
kept safe or defended from danger or injury or loss
"the most protected spot I could find"
protected
domain category
the collection of rules imposed by authority
"civilization presupposes respect for the law"; "the great problem for jurisprudence to allow freedom while enforcing order"
jurisprudence, law