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
Comparative: uglier Superlative: ugliest
What's the comparative and superlative of the word "exact"
Comparative: shallower Superlative: shallowest
The comparative is "stricter" and the superlative is "strictest".
comparative = sadder superlative = saddest
comparative: trustworthier. superlative: trustworthiest.
fewer - comparative & fewest - superlative
The comparative is later, and the superlative is latest
The comparative is "wilder" and the superlative is "wildest".
the comparative and superlative forms of the word near are nearer(in comparative form) and nearest(in superlative form).
The comparative is greater and the superlative is greatest.