Sometimes we bury our feelings where they fester and decay, and then begin to infect other parts of the psyche as well.
Without a resolution of this global debt burden, systemic risk will fester and grow.
Worse if you voice them to people not in your marriage - i.e. friends, coworkers, anyone else - then instead of airing your dirty laundry you let it fester.
In the past few centuries the Arabs, once pre-eminent in a host of skills, from astronomy and algebra to architecture and engineering, have seen their societies stagnate and fester.
The non-tube drainage will leave a long-term open wound on the bear’s abdomen, which is easily infected. The ongoing outflow of bile will cause the bear body to fester.