lie-omitter 

According to Dr. Chris Turk, surgeon in Sacred Heart hospital, it means: someone who is guilty of a lie of omission.
He calls his wife a lie-omitter.

Carla: okay, maybe I'm guilty of a lie of omission.
Turk: Cause you're a lie-omitter!

lie-omitter by MeliorMelusine November 21, 2011

lieomitter 

Someone who doesn't outwardly lie but omits the truth or changes the subject in order to convey a false impression.

She is a lieomitter. She never told me that...

lieomitter by Pritchie December 28, 2007