To utter with a snicker
To express derision, scorn, or contempt in speech or writing
To smirk or laugh in contempt or derision.
To giggle is defined as to laugh in a silly or twinkly way.
To abide by an agreement.
Find another word for sniggering. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for sniggering, like: snickering, sneering, fleering, tittering, giggling, respecting and expressing.