Comparatives:
sunnier
more amazing
shorter
messier
dirtier
hotter
fatter
cleaner
kinder
funnier
more popular
bigger
more delicious
brighter
Superlatives:
the sunniest
the most amazing
the shortest
the messiest
the dirtiest
the hottest
the fattest
the cleanest
the kindest
the funniest
the most popular
the biggest
the most delicious
the brightest
