Utterly
Part of speech: adverb
Definition: completely, entirely, to the fullest extent
Example sentence: You parents of the wilful and the wayward! Don't give them up. Don't cast them off. They are not utterly lost. The Shepherd will find his sheep. They were His before they were yours - long before He entrusted them to your care; and you cannot begin to love them as He loves them.
Perfectly
Part of speech: adverb
Definition: With perfection.Wholly, adequately.
Example sentence: Insanity - a perfectly rational adjustment to an insane world.