Her words were slightly slurred, but at least she was coherent.

Her words are slightly slurred; she has had too much alcohol.

The big man smiled and spoke in a voice that slurred slightly.

The voice had come completely unexpectedly, and the words were slightly slurred.

Her words came out slightly slurred, and Savannah glanced around.

"Help yourselves to whatever you can find," he said, slightly slurring the words.

His speech was slightly slurred, but he spoke intelligently enough.

He shouted as much to his armourer, slurring only slightly.

His voice was croaking, the words slightly slurred and stretched.

He sounded calm and still rather sleepy, his speech slightly slurred.