definition of
[nastiness]

[1] #1 nastiness n. [filth, filthiness, foulness] a state characterized by foul or disgusting dirt and refuse. wn

[2] #2 nastiness n. [cattiness, bitchiness, spite, spitefulness] malevolence by virtue of being malicious or spiteful or nasty. wn

[3] #3 nastiness n. the quality of being unpleasant; "I flinched at the nastiness of his wound". wn