How to Use "fester" with Example Sentences

1. The consequences of letting the problem fester could be considerable .
2. It treats the symptoms of social discontent while leaving the causes to fester .
3. In japan , the " bubble " grew for only a few relatively intense years from 1985-1991 . Here in the united states , it 's been allowed to fester for 30 years .
4. Some tensions continue to fester .
5. The obvious contrast is with japan , where bad debts were left to fester .