Mixed-up and Witless

Mixed-up adjective - Suffering from mental confusion.

Witless and mixed-up are semantically related. In some cases you can use "Witless" instead an adjective phrase "Mixed-up".

Witless adjective - Not having or showing an ability to absorb ideas readily.

Mixed-up and witless are semantically related. Sometimes you can use "Mixed-up" instead an adjective "Witless".