If "resounded" means to be loud and echoing:
* Muffled
* Silent
* Quiet
* Subdued
* Dampened
* Unheard
If "resounded" means to be widely acclaimed:
* Ignored
* Dismissed
* Rejected
* Criticized
* Disapproved
* Denied
If "resounded" means to be filled with a particular sound or emotion:
* Empty
* Vacant
* Still
* Unstirred
* Unmoved
* Indifferent
The best antonym will depend on the specific meaning of "resounded" in the context you're using it.