(1):

(n.) That which is extraordinary; - used especially in the plural; as, extraordinaries excepted, there is nothing to prevent success.

(2):

(a.) Employed or sent upon an unusual or special service; as, an ambassador extraordinary.

(3):

(a.) Beyond or out of the common order or method; not usual, customary, regular, or ordinary; as, extraordinary evils; extraordinary remedies.

(4):

(a.) Exceeding the common degree, measure. or condition; hence, remarkable; uncommon; rare; wonderful; as, extraordinary talents or grandeur.