Weariful and Weak-kneed

Weak-kneed and weariful are semantically related. In some cases you can use "Weak-kneed" instead an adjective "Weariful".

Weak-kneed adjective - Lacking strength of will or character.

Weariful and weak-kneed are semantically related. Sometimes you can use "Weariful" instead an adjective phrase "Weak-kneed".