Of or pertaining to that which is irregular, in particular, behaviour that deviates from norms of social propriety or accepted standards of mental health.
Not conforming to rule or system; deviating from the usual or normal type.
A person or object that is not normal.
Forming an exception; not ordinary; uncommon; rare.
Corresponding to something of lower dimension under a birational correspondence.
Better than the average; superior due to exception or rarity.
An exception, or something having an exceptional value