perfectly perfectly /ˈpɝːfəkli/

adverb

1. () Completely and without qualification; used informally as an intensifier  ( dead , utterly , absolutely , perfectly )
   Completely and without qualification; used informally as an intensifier
    An absolutely magnificent painting
   an absolutely magnificent painting
    A perfectly idiotic idea
   a perfectly idiotic idea
    You're perfectly right
   you're perfectly right
    Utterly miserable
   utterly miserable
    You can be dead sure of my innocence
   you can be dead sure of my innocence
    Was dead tired
   was dead tired
    Dead right
   dead right
   
2. () In a perfect or faultless way  ( perfectly )
   in a perfect or faultless way
    She performed perfectly on the balance beam
   She performed perfectly on the balance beam
    Spoke English perfectly
   spoke English perfectly
    Solved the problem perfectly
   solved the problem perfectly