A narrow hand was placed on the trunk of the tree, and a voice warbled, "Quirril?"

When you speak through the app, your voice warbles musically like T-Pain's.

Unrak's voice no longer cracked and warbled, but had settled into a resonant baritone.

Scott's voice was plaintive, slow, and warbling over the commlink.

THE voice that launched several million cooks warbled through the big, quiet kitchen.

With that sentence, her voice warbled and her eyes filled.

Her voice warbled high and faint, as though the connection were getting weak.

His voice warbled with anger and hurt.

Serge's voice warbled as he gestured toward the next lane with an upturned palm.

When his motor finally quit I felt - ' The voice warbled.