The explanation of the event was omitted for lack of space.

I think that I might've omitted something.

For now I omit garlick belches, and the blast of the belly, stinking breaths: there are many, who are troubled with secret diseases, and every distemper has its infection.

I think I might've omitted something.

Procrastinating was a terrible idea, as Tom found out that he had completely omitted an important essay.

You could have omitted that last phrase in your letter.

The president's detractors conveniently omit from their criticism all the positive things he's done.

My name was omitted from the list.

The editor often omits those little details that make the author's points logically sound.

In Portuguese, the article is used in some cases and omitted in others.