Definition of omission
1a : something neglected or left undone
There are a few omissions in the list.
b : apathy toward or neglect of duty
The police officer was reprimanded for the omission of his duty to inform the suspect of his rights.
2 : the act of omitting : the state of being omitted
Her omission from the team was surprising.
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Time Traveler for omission
The first known use of omission was in the 14th century
See more words from the same century