Noun
The quality or state of being tepid; moderate warmth; lukewarmness; tepidness.
Source: Webster's dictionaryIf repentance is neglected for an instant, one can lose the power of the Resurrection as he lives with the weakness of tepidity and the potential of his fall. John Chrysostom
Spiritual infirmities such as tepidity are caused, not only by chills but also by fevers, that is, by excessive zeal. Ignatius of Loyola