More doubtful, most doubtful
moister, moistest
The comparative and superlative degrees of clean are cleaner and cleanest.
The comparative and superlative degrees of "white" are formed in the standard way: "whiter" and "whitest" respectively.
"Dried" is the past and past participle of dry. As an adjective, the comparative and superlative forms of dry are drier and driest respectively.
drier and driest
looser
more doubtful, most doubtful more wooden, most wooden
moister, moistest
comparative : purer superlative : purest
Comparative: older Superlative: oldest
Dative; Early Comparative; Earlier Superlative; Earliest
The comparative and superlativeforms of grand are: Comparative: grander Superlative: grandest
comparative - merrier superlative - merriest
Comparative: shallower Superlative: shallowest
The comparative is "stricter" and the superlative is "strictest".
comparative = sadder superlative = saddest
The comparative is greater and the superlative is greatest.
comparative - rockier superlative - rockiest