covert (adjective) covert: clandestine, underhanded
Detalii: covert (concealed, covered, hidden) is the opposite of overt (apparent, open to view, plain, public)
Sinonime: boaster, braggart, egocentric, egomaniac, egotist, narcissist, self-aggrandizer
Antonime: aboveboard,
candid,
frank,
honest,
open,
overt,
public, unconcealed