Antonyms of adv loyally

1 sense of loyally

Sense 1
loyally -- (with loyalty; in a loyal manner; "government will not be efficient unless the people as a whole accept leadership loyally and enthusiastically")
       Antonym of disloyally (Sense 1)
      => disloyally -- (without loyalty; in a disloyal manner; "his men acted disloyally and betrayed him in the end")

Synonyms of adv loyally

1 sense of loyally

Sense 1
loyally -- (with loyalty; in a loyal manner; "government will not be efficient unless the people as a whole accept leadership loyally and enthusiastically")