1. Beyond or out of the common order or method; not usual, customary, regular, or ordinary; as, extraordinary evils; extraordinary remedies. Which dispose to something extraordinary my thoughts. (Milton)
2. Exceeding the common degree, measure. Or condition; hence, remarkable; uncommon; rare; wonderful; as, extraordinary talents or grandeur.
3. Employed or sent upon an unusual or special service; as, an ambassador extraordinary.
Origin: L. Extraordinarius; extra on the outside – ordinarius: cf. F. Extraordinaire. See ordinary.