unriffled
/ʌnˈrɪflɪd/Definitions
1. adjective
Not cut into or made up of small, separate parts, often used to describe a surface that is smooth and unbroken
“The unriffled waves gently lapped at the shore.”
2. noun
A surface or area that is unriffled, often used to describe a section of water
“The boat sailed across the unriffled lake.”