An exception, or something having an exceptional value
Corresponding to something of lower dimension under a birational correspondence.
Forming an exception; not ordinary; uncommon; rare.
Better than the average; superior due to exception or rarity.
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.
The act of revoking in a game of cards.
A renege; a violation of important rules regarding the play of tricks in trick-taking card games serious enough to render the round invalid.
To cancel or invalidate by withdrawing or reversing.