Antonyms of adv covertly

1 sense of covertly

Sense 1
covertly -- (in a covert manner; "he did it covertly")
       Antonym of overtly (Sense 1)
      => overtly -- (in an overt manner; "he did it overtly")

Synonyms of adv covertly

1 sense of covertly

Sense 1
covertly -- (in a covert manner; "he did it covertly")