Adverb
with a sneer; in an uncomplimentary sneering manner
Source: WordNet`I don't believe in these customs,' he said sneeringly Source: Internet
Back in April, ABC's recently cancelled got in some hot water with critics for a dismissive joke in which Roseanne attempted to catch her husband up on a night of inclusive sitcom programming by snidely declaring, "They're just like us. Source: Internet
For example, there’s a scene where Sloane watches pornography while pleasuring herself (her stupid boyfriend ends up walking in), and while she snidely and subtly mocks the artfulness of the porn, she absolutely revels in it. Source: Internet
Lastly, you twice alluded to the fact that you usually don't post in here - and have snidely commented on the "buddy system". Source: Internet
I really don't think being a mendacious asshole who snidely calls Americans lazy and criminal while ignoring the real problems associated with immigration is going to win many people over to your side. Source: Internet
“We’re no island,” the NIFA says somewhat snidely on it website. Source: Internet