1. laughing in a half-suppressed, typically scornful way
Usage: present participle of snigger

1. a half-suppressed, typically scornful laugh
Usage: gerund form

Examples

• The students were sniggering at the teacher’s mistake.
• She heard sniggering from the back of the classroom.
• He couldn’t help sniggering at his friend’s embarrassing fall.
• The constant sniggering made her feel uncomfortable.
• They were sniggering behind their hands during the serious presentation.
• His sniggering annoyed everyone in the meeting.
• The children were sniggering at the funny cartoon.