more popular, most popular
Adjective, comparative, superlative little, less, least
Heavier.heaviest
Talk can be used as a verb or a noun, but it is not an adjective and does not have a comparative or superlative form.Talkative is an adjective. More talkative and most talkative are the comparative and superlative forms.
uglier is the comparative & ugliest is the superlative
Out can be an adjective. Its comparative and superlative forms would be more out and most out respectively.
Better is the comparative adjective for good. Best is the superlative.
The comparative and superlative forms of popular are more popular and most popular
comparative
Dry, drier, driest. Adjective, comparative adjective, superlative adjective.
Dative ; Good Comparative; Better Superlative ; Best
No
Adjective: hot Comparative: hotter Superlative: hottest