imperfectly | sense examples, Usage and Definition from wordnet dictionary online

Adverbial imperfectly has 1 sense

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
Antonyms: perfectly
Derived from adjective imperfect₁