Abstemious for ascending order
Suncontinental for descending order
Abstemious is a 10 letter word that contains 5 vowels in correct order. It means not moderate when eating and drinking.
Rhythms is a seven letter word that contains no vowels.
authoreiaetian
Some people maintain that "rhythms" qualifies. I don't.
Subcontinental, Uncomplimentary, and Unnoticeably
Abstemious is a 10 letter word that contains 5 vowels in correct order. It means not moderate when eating and drinking.
SUBCONTINENTAL
sky,fly,fry, do not have vowels
facetiously -Armando Patella
You may be going for the fact that it contains all of the vowels, but it is not the only such word. Facetiously contains them all, plus "y" (and in alpha order, to boot).
Rhythms is a seven letter word that contains no vowels.
If there is, it is not an English word.
cauliflower
Room
authoreiaetian
I really don't think there is one. If there is one it has to be a composite created for that purpose.
Abstemiously and facetiously both have the vowels in order.