Explicitly defined, described or recognized as a reference.
Of a religion, church etc.: formally recognized by a state as being official within that area.
Having been in existence for a long time and therefore recognized and generally accepted.
Relating to, amounting to, causing, or caused by a physical or mental disorder.
Having properties which are counterintuitive or difficult to handle.
Pertaining to pathology.
Having properties that cause unusually bad behaviour, especially regarding correctness or performance.