- beyond what is usual, ordinary, regular, or established: extraordinary costs.
- exceptional in character, amount, extent, degree, etc.; noteworthy; remarkable: extraordinary speed; an extraordinary man.
- (of an official, employee, etc.) outside of or additional to the ordinary staff; having a special, often temporary task or responsibility: minister extraordinary and plenipotentiary.
- very unusual, remarkable, or surprising
- not in an established manner, course, or order
- employed for particular events or purposes
- (usually postpositive) (of an official, etc) additional or subordinate to the usual onea minister extraordinary
adj.early 15c., from Latin extraordinarius “out of the common order,” from extra ordinem “out of order,” especially the usual order, from extra “out” (see extra-) + ordinem (nominative ordo) “order” (see order). Related: Extraordinarily.