I. ˈhō-lē-nəs noun
Date: before 12th century
1. : the quality or state of being holy — used as a title for various high religious dignitaries
His Holiness the Pope
2. : sanctification 2
II. adjective
Usage: often capitalized
Date: 1888
: emphasizing the doctrine of the second blessing ; specifically : of or relating to a perfectionist movement arising in United States Protestantism in the late 19th century