Comparative and superlative of adjectives

Comparative and superlative adjectives
Adjective Comparative Superlative
One-syllable adjectives old
long
older
longer
the oldest
the longest
Adjectives ending in one vowel and one consonant big
hot
bigger
hotter
the biggest
the hottest
Adjectives ending in
-y
ugly
noisy
uglier
noisier
the ugliest
the noisiest
Adjectives with two or more syllables  expensive
beautiful
more expensive
more beautiful
the most expensive
the most beautiful

Exceptions
good better the best
bad worse the worst
far further / farther the furthest / the farthest