Here are the comparative and superlative forms for the adjectives you provided:
different
Comparative: more different
Superlative: the most differentrainy
Comparative: rainier
Superlative: the rainiestdelicious
Comparative: more delicious
Superlative: the most deliciousfar
Comparative: farther / further
Superlative: the farthest / the furthestfamous
Comparative: more famous
Superlative: the most famoustraditional
Comparative: more traditional
Superlative: the most traditionalsmart
Comparative: smarter
Superlative: the smartestgood
Comparative: better
Superlative: the bestbaggy
Comparative: baggier
Superlative: the baggiestfat
Comparative: fatter
Superlative: the fattestsafe
Comparative: safer
Superlative: the safestnice
Comparative: nicer
Superlative: the nicest
