Related Clues:

• You must restrict extremes of ebullience - only a snigger!
• Some amusement cummings, having grown up, instilled in you
• Sign of amusement from European ambassador in driving position?
• Giggle syllables
• Sound of a titter
• Much less than a roar
• The stretching around three identical points produces a titter
• Amused utterance
• Opposite of ''roar''
• [I find this mildly amusing]
• Giggle sound (2 words)
• Evidence of amusement
• Sound of snickering
• The techie set intermittently producing laughing sound
• [How amusing]