imperfectly

Từ điển WordNet v3.1 - WordNet Dictionary

adverb

in an imperfect or faulty way (Freq. 2)
- The lobe was imperfectly developed
- "Miss Bennet would not play at all amiss if she practiced more"- Jane Austen
• Syn:
amiss
• Ant:
perfectly
• Derived from adjective:
imperfect