Probably some of the newer kinds, like Deathcore or Grindcore, that's because the more technologically advanced we get, the heavier sounds we can get, back in the late 60s and early 70s, Black Sabbath and Judas Priest were the heaviest things around, and nowadays we don't think they're that heavy. Maybe it seems impossible by now, but 10 years from now, we may be able to create heavier sounds.
The superlative degree of heavy is "heaviest."
The superlative word for heavy is "heaviest."
The mass of an element increases as you go down the periodic table. The heaviest discovered (synthesized) metals are in the bottom row of the transition metals group.
The third degree of heavy is "heaviest."
heaviest, heavier
heaviest
She was about 175 pounds at her heaviest.
No, heaviest is an adjective, the superlative form for the adjective heavy (heavier, heaviest). Example sentence:We bought the heaviest watermelon we could find.
the heaviest hailstone on record fall was.... 1130
Comparative: heavier Superlative: heaviest
Comparative: heavier Superlative: heaviest
Comparative: heavy, heavier Superlative: heavy, heavier, heaviest