1. unusually excellent or strange: very unusual and deserving attention and comment because of being wonderful, excellent, strange, or shocking Her mathematical abilities are extraordinary for a ten-year-old.
2. additional: additional and having a special purpose an extraordinary meeting
3. employed for special purpose: employed for a special purpose or to do additional work
(
used after nouns
)
ambassador extraordinary
4. additional and greater: additional to and going beyond the ordinary or established scope of something The president used his extraordinary powers to introduce major economic reform.
[15th century. < Latin extraordinarius< extra ordinem "out of order, exceptionally"]