- 1[countable] a slight, silly, repeated laugh She gave a nervous giggle. Matt collapsed into giggles and hung up the phone.
- 2 the giggles [plural] (informal) continuous giggling that you cannot control or stop Iget the giggles when I'm nervous. She had an attack of the giggles and had to leave the room. It's just something about the way he said it that gave me the giggles.