small
smaller
young
younger
expensive
more expensive
hot
hotter
famous
more famous
high
higher
important
more important
slow
slower
busy
busier
beautiful
more beautiful
cold
colder
delicious
more delicious
funny
funnier
wide
wider
pretty
prettier
deep
deeper
popular
more popular
dirty
dirtier
dark
darker
late
later
fast
faster
difficult
more difficult
interesting
more interesting
crowded
more crowded
loud
louder
thin
thinner