6 adverbs to describe how to titter

she had tittered foolishly, gathering up her basket and rolling tipsily out of the store.

His lips twitched and quivered, his jaw hung slack, and at Macalister's invitation he tittered hysterically.

Duncan and Llewellyn tittered louder, and even Eric could not resist a smile.

When, therefore, Hyacinth was standing at night at his window and Roseblossom at hers, and the pussies ran by on a mouse-hunt, they would see both standing, and would often laugh and titter so loudly that the children would hear them and grow angry.

They whispered together and tittered maliciously.

" The lady muttered something unintelligible, then she tittered nervously.

6 adverbs to describe how to  titter  - Adverbs for  titter