valiseful
/ˌvælɪˈsəfl/ or /ˌvæliˈsɪfəl/Definitions
1. adjective
Having valleys or low areas; resembling a valley.
“The valiseful terrain made it difficult to build a stable road.”
2. adjective
Having a valley-shaped or U-shaped form.
“The valiseful crater formed millions of years ago.”