In an utter manner; to the full extent; fully; totally;
as,
utterly
ruined; it is
utterly
vain
.
Webster 1828 Edition
Utterly
UT'TERLY
,
adv.
To the full extent; fully; perfectly; totally; as utterly tired; utterly debased; utterly lost to all sense of shame; It is utterly vain; utterly out of my power.