Antonyms of adv overtly

1 sense of overtly

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

Synonyms of adv overtly

1 sense of overtly

Sense 1
overtly -- (in an overt manner; "he did it overtly")