Noun
The state or quality of being disinterested; impartiality.
Source: Webster's dictionaryAugustine extols his zeal and disinterestedness in immediately forsaking his country, his house, and his parents, to follow the apostle, to share in his poverty and sufferings. Source: Internet
The quality of his work rivalled its quantity, while the disinterestedness and rectitude of his moral character earned him universal respect. Source: Internet
His conduct after his retirement was distinguished by a moderation and disinterestedness which, as Burke has remarked, "set a seal upon his character." Source: Internet