Words similar to sniggering

Example sentences for: sniggering

How can you use “sniggering” in a sentence? Here are some example sentences to help you improve your vocabulary:

In the future, please research a story more before sniggering and laughing at a man in a scout uniform ...
Its laughs are as crude as the chuckles of "little boys sniggering over National Geographic " (Susan Wloszczyna, USA Today ). Others say its digs at ivory-tower credulousness and Dreyfuss' turn as a neurotic professor make it "too funny to ignore" (David Denby, New York ). (The trailer is available here.)
Which of us has not confidently used a word for years, and then found out (probably in public, to the sniggering of others) that it had another pronunciation altogether?
Even so, native English-speakers confronted with this manner of stuff will have trouble not sniggering in their saké and—horror of horrors—be asked to explain wherein lies the humour.
This comes from a friend whose innocent grandma made that declaration every Sunday, not knowing what occasioned the sniggering from her grandchildren.