The characteristic of being negative; negativity.(noun)
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Use "negativeness" in a sentence
"The distinctive character of Life, therefore, is that it is Positive and not Negative; and every degree of negativeness, that is, every limitation, is ultimately traceable to deficiency of Life-power."
"With that said, if each of us who do believe would pray more and realize that HE is real and offer up thanksgivings instead of looking at all the negativeness and pointing fingers."
"We should be appreciative for having a job but when there is a lot of negativeness in the workplace we shouldn't buy in or take the negative stuff to heart."