more polluted, most polluted
looser
drier, driest
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.
i think its cleanest or more clean cleanest sounds more proper
More Polluted <-----Comparative Most Polluted <------Superlative
Dative; cloudy Caomparative; cloudier Superlative ; cloudiest
Comparative: uglier Superlative: ugliest
What's the comparative and superlative of the word "exact"
comparative = sadder superlative = saddest
The comparative is "stricter" and the superlative is "strictest".
Comparative: shallower Superlative: shallowest
The comparative is "wilder" and the superlative is "wildest".
Dative :smart Comparative; Smarter Superlative; Smartest
The comparative is later, and the superlative is latest
Dative; Short Comparative; Shortert Superlative; Shortest
comparative: trustworthier. superlative: trustworthiest.