omission

The act or an instance of omitting.

The state of having been omitted.

Something omitted or neglected.

The act of omitting.

The act of leaving out: as, the omission of a paragraph in a printed article.

That which is omitted or left out.

The act of omitting; neglect or failure to do something required by propriety or duty.

That which is omitted or is left undone.

The act of omitting.

The act of neglecting to perform an action one has an obligation to do.