driest
The comparative and superlative degrees of "white" are formed in the standard way: "whiter" and "whitest" respectively.
more lasting, most lasting
more humid, most humid
Dry, drier, driest. Adjective, comparative adjective, superlative adjective.
tender
The comparative degree of 'calm' is 'calmer'.
the superlative degree of much is most
No, the superlative degree is "most tirelessly."
The superlative degree of "old" is "oldest."
Dirtiest.
The superlative degree of stout is stoutest.
The superlative degree of "broad" is "broadest."
The superlative degree of heavy is "heaviest."
"Fool" is a verb and a noun and, as such, does not have a superlative degree. The superlative degree of the adjective foolish is most foolish.
"Less" is the comparative degree of little. The superlative degree is least.
Superlative and comparative of dirty