Difficult
More difficult
high
higher
messy
messier
smart
smarter
clean
cleaner
famous
more famous
Comparativo de friendly
friendlier
noisy
noisier
Oposto de cheap
expensive
long
longer
old
older
Strong
Stronger
Dangerous
More dangerous
organized
more organized
talkative
more talkative
Comparativo de dull
duller
Oposto de greedy
generous
Comparativo de fantastic
more fantastic
Weak
Weaker
Beautiful
More beautiful
far
further
Oposto de full
empty
important
more important
safe
safer
Comparativo de sad
sadder
heavy
heavier
Oposto de boring
interesting
Oposto de sad
happy
Oposto de cold
hot
complicated
more complicated
Intelligent
More intelligent