0 past simple and past participle of snigger --
1 to laugh at someone or something in a silly and often unkind way: --
Ministers have laughed and sniggered, but those questions are fundamental.
They were sniggered at by the employers, who stood on the other side of the street.
Becky related a story about two high school students who ' sniggered ' at her visually impaired friend who has a guide dog.
Schoolchildren snigger at the mention of some words.
He sniggered quietly to himself.
