A snickering sound is a type of laughter that is usually done in a low voice and is often used to express amusement or ridicule. The term can be broken down into five different crossword solutions: HEE (3 letters), HEH (3 letters), HEHE (4 letters), TEHEE (5 letters), and HEHHEH (6 letters). Each of these solutions represent a different variation of the snickering sound, with the longer solutions representing more intense laughter.