Found 3 items, similar to covertly.
English → Indonesian (quick) Definition: covert rahasia, secara diam-diam
English → English (WordNet) Definition: covertly covertly adv : in a covert manner; “he did it covertly” [ant: overtly]
English → English (gcide) Definition: Covertly Covertly \Cov"ert*ly\, adv. Secretly; in private; insidiously. [1913 Webster]