"An attitude of scornful or jaded negativity, especially a general distrust of the integrity or professed motives of others."
Snide comments about the America Party without any knowledge of its nature is a dictionary definition.
Discussion
the original definition had a lot to do with the back half of that def you posted, and NOTHING AT ALL to do with the front half...
that front part is for wives and divorcing dialectics. and you, i guess.