perfectly -
in a perfect or faultless way; "She performed perfectly on the balance beam"; "spoke English perfectly"; "solved the problem perfectly"
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
Perfectly -
completely and without qualification; used informally as intensifiers; "an absolutely magnificent painting"; "a perfectly idiotic idea"; "you're perfectly right"; "utterly miserable"; "you can be dead sure of my innocence"; "was dead tired"; "dead right"
