Antonyms of adv imperfectly

1 sense of imperfectly

Sense 1
imperfectly, amiss -- (in an imperfect or faulty way; "The lobe was imperfectly developed"; "Miss Bennet would not play at all amiss if she practiced more"- Jane Austen)
       Antonym of perfectly (Sense 2)
      => perfectly -- (in a perfect or faultless way; "She performed perfectly on the balance beam"; "spoke English perfectly"; "solved the problem perfectly")

Synonyms of adv imperfectly

1 sense of imperfectly

Sense 1
imperfectly, amiss -- (in an imperfect or faulty way; "The lobe was imperfectly developed"; "Miss Bennet would not play at all amiss if she practiced more"- Jane Austen)