The phrase 'extravagant appearance' is correct and can be used in written English.
You can use it when you want to describe an appearance that is especially impressive, flashy, or luxurious. For example, "She arrived at the party wearing a bright yellow gown with an extravagant appearance."
They found that the voice actors did not overact their roles despite the extravagant appearances of the characters.
Introduced with a Hans Zimmer theme and complete with an extravagant pirate appearance, Jack Sparrow's entrance is one the finest.
In creating her childlike appearance and extravagant movements, the development team tried to make them as realistic as possible.
Folly architecture, from the French word for 'foolish,' is eccentric and extravagant architecture with an appearance that far overshadows its purpose.
Republican critics blasted the appearance as an extravagant rock-star moment, but that was a good problem to have.
Like others interviewed for this article, the executive declined to be identified for fear of bringing attention to his company or risking the appearance of seeming too extravagant.
Even those who are not financially constrained may worry about appearances and think twice about mounting an extravagant wedding in hard times.
not quite what they seem, but are only appearances somehow thrown up by monads" seems less extravagant in the light of contemporary string theory, which holds that everything that exists is the product of vibrating one-dimensional objects.
In the midst of extravagant audiovisuals, musical numbers, comedy sketches, pricey giveaways and celebrity appearances, the networks divulge their fall prime-time schedules — the sitcoms, dramas, game shows and reality programs that are broadcast between 8 and 11.
