How to Use "dereliction" with Example Sentences

1. Only in extreme cases of dereliction of duty .
2. This policeman was punished for his dereliction of duty .
3. I don 't think this is a dereliction of duty .
4. All the charitable endeavors in this world only manage to bring poverty into greater relief ; they show it to be more terrible and unintelligible than utter dereliction .
5. Serious dereliction of duty and serious violation of rules and systems .