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