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A lie when you purposely dont tell someone something cause you know they won't like it. Any lie is still a lie.
You committed a lie of omission by not telling me you cheated with your ex.
by DoNotLie August 13, 2017
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Something your girlfriend makes up to make you feel bad about doing something she doesn't know about.

IT's NOT A LIE if they don't ask about it
"If you dont tell me after you cheat on your a liar. its a lie of omission."
by lizban al la franchisekma April 01, 2007
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