Extraordinary \Ex*traor"di*na*ry\, a. [L. extraordinarius; extra on the outside + ordinarius: cf. F. extraordinaire. See Ordinary.]

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.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Extraordinary \Ex*traor"di*na*ry\, n.; pl. Extraordinaries. That which is extraordinary; -- used especially in the plural; as, extraordinaries excepted, there is nothing to prevent success.

Their extraordinary did consist especially in the matter of prayers and devotions. --Jer. Taylor.

Source: Webster's Revised Unabridged Dictionary (1913)