OMISSION

n. 1 non-inclusion, omitting, leaving out or off, excluding, eliminating, dropping, skipping; exclusion, exception, deletion, elimination, excision The omission of your name from the list was a mistake Allowing for inadvertent omissions, the inventory is complete. 2 failure, default, neglect, dereliction, oversight, shortcoming, negligence She is being punished for her innocent omission in failing to notify the police while he is at liberty despite his deliberate commission of a crime