"extraordinary appearance" is correct and usable in written English.
You can use it to describe something that is particularly unique or eye-catching. For example, "She had an extraordinary appearance that made her stand out in the crowd."
made in his extraordinary appearance before Congres.
Topics range from burqa bans to Zac Goldsmith's extraordinary appearance on Channel 4 News.
Because of its extraordinary appearance, the goblin shark has always been of keen interest, especially regarding its feeding behavior.
A1 Governments across the Middle East largely kept silent about the extraordinary appearance of an Arab leader in the dock.
"The men, woemen (sic), children, country and houses are all black," she added, "but I cannot by any description give an idea of its strange and extraordinary appearance".
But when he suddenly comes back at the end of act five, this extraordinary appearance where he returns to the city to take command, it's completely different.
But just as it's hard wholly to disentangle the work of Van Gogh, Lee Miller or Modigliani from their extraordinary appearances – Giacometti looks like a Giacometti, Rembrandt like a Rembrandt – so Patrick's own physical serenity seems to provide at least a parallel to his work.
A month later, Roose made an even more extraordinary guest appearance.
She was spindly, with very short curly hair and she did not know whether this extraordinary new appearance was nice or nasty.
Putin's answer came near the end of an extraordinary joint appearance with Trump during which Trump declined to side with the findings of U.S. intelligence agencies that have concluded Putin interfered with the 2016 presidential election.
The former Fifa vice president Jack Warner has made an extraordinary television appearance in which he says he fears for his life and claims he will prove a link between soccer's governing body and the national elections in his native Trinidad and Tobago.
