Don't let it bother you; put it out of your mind.
I don't want to continue with this conversation (usually used in frustration or anger).
It doesn't matter.
A conventional reply to an expression of gratitude.
Absolutely not; I forbid it or it is impossible.
To cancel or invalidate by withdrawing or reversing.
The act of revoking in a game of cards.
A violation ranked in seriousness somewhat below overt cheating, with the status of a more minor offense only because, when it happens, it is usually accidental.
A renege; a violation of important rules regarding the play of tricks in trick-taking card games serious enough to render the round invalid.