Malcontented and Weak-kneed

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

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

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