Not deserving and Weak-kneed

Weak-kneed and not deserving are semantically related. In some cases you can use "Weak-kneed" instead an adjective phrase "Not deserving".

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

Not deserving and weak-kneed are semantically related. Sometimes you can use "Not deserving" instead an adjective phrase "Weak-kneed".