Hyperbole and Superlative

more up, most up

i dont know i came on this site to find out wat it is not to find it myself ughhhh

flattest

dustier, dustiest

more difficult, most difficult

tinier, tiniest

softer, softest

Roomier and roomiest

comparative: more critically superlative: most critically

more interesting, most interesting

"Crabbier" is a comparative form. It is used to compare two things or individuals, indicating that one is more crabby (irritable or bad-tempered) than the other.

more gradual, most gradual

flatter, flattest

more eternal, most eternal

more ambitious, most ambitious

more interesting, most interesting

most troubled

much,more,most

hindmost

Tell me when you find out

more obedient, most obedient

more gleefully, most gleefully

the tree swayed

more practical, most practical

It is not often you would want to compare 'up'. Usually something is up or down or neither, if you are referring to direction. If you are using it to describe someone's mood, you could say 'more up' and 'most up'.