Unbroken and Unfading

Unbroken adjective - Going on and on without any interruptions.

Unfading and unbroken are semantically related In some cases you can use "Unfading" instead an adjective "Unbroken".

Unfading adjective - Of an imaginary flower that never fades.

Unbroken and unfading are semantically related in endless topic. Sometimes you can use "Unbroken" instead an adjective "Unfading", if it concerns topics such as eternal.