more hardworking, most hardworking
The comparative degree of "hardworking" is "more hardworking," and the superlative degree is "most hardworking." Since "hardworking" is a two-syllable adjective, it typically uses "more" and "most" rather than the "-er" and "-est" forms. For example, you might say, "She is more hardworking than her colleague," or "He is the most hardworking member of the team."
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
Comparative - better Superlative - best