omission
n. C / Un. the act of leaving something out, either by accident or on purpose. It can also refer to the thing that was left out.
n. the act of excluding or failing to include someone or something; alternatively, the thing that has been left out. Often used in legal or academic contexts to describe a failure to perform a required action.
The omission of her name from the list was a mistake.
The editor noticed a glaring omission in the final chapter where the main character's fate was never explained.
While the report was factually accurate, its strategic omission of the environmental impact data led many critics to accuse the committee of bias.
From Middle English omissioun, from Old French omission, from Late Latin omissio, omissionem, from Latin omitto.
Countable when referring to specific instances; uncountable when referring to the general act of leaving things out.
the omission about the detailsthe omission of the detailsThe noun is typically followed by the preposition 'of' to indicate what was left out.