adj employed or sent upon an unusual or special service; as, an ambassador extraordinary.
2. extraordinary ·noun that which is extraordinary;
used especially in the plural; as, extraordinaries excepted, there is nothing to prevent success.
3. extraordinary ·adj exceeding the common degree, measure. or condition; hence, remarkable; uncommon; rare; wonderful; as, extraordinary talents or grandeur.
4. extraordinary ·adj beyond or out of the common order or method; not usual, customary, regular, or ordinary; as, extraordinary evils; extraordinary remedies.