nonfeasance
non·fea·sance
noun
1.
a failure to act when under an obligation to do so; a refusal (without sufficient excuse) to do that which it is your legal duty to do
Origin
From non- + feasance.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.