Longanimous and Weak-kneed

Longanimous adjective - Showing patient and unruffled self-control and restraint under adversity; slow to retaliate or express resentment.

Weak-kneed and longanimous are semantically related in shy topic. In some cases you can use "Weak-kneed" instead an adjective "Longanimous".

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

Longanimous and weak-kneed are semantically related in shy topic. Sometimes you can use "Longanimous" instead an adjective phrase "Weak-kneed".