snidely

As adverbs the difference between mockingly and snidely

is that mockingly is said, written or done with the intent to mock, or ridicule while snidely is in a snide manner.

As an adjective snidey

is snide.

As an adverb snidely is

in a snide manner.

As adverbs the difference between sidely and snidely

is that sidely is to the side; sideways; laterally; sideling; obliquely; indirectly while snidely is in a snide manner.

As an adjective sidely

is of or relating to the side (of something); lateral.