Itchier is the comparative form and itchiest is the superlative form.
Comparative: My new shoes are itchier than my old shoes.
Superlative: Those cheap shoes you can get at the local department stores are the itchiest shoes I've ever tried.
The comparative and superlativeforms of grand are: Comparative: grander Superlative: grandest
comparative = sadder superlative = saddest
Comparative: shallower Superlative: shallowest
The comparative is "stricter" and the superlative is "strictest".
Comparative: thinner Superlative: thinnest
The superlative is cloudiest; the comparative is cloudier.
comparative : purer superlative : purest
Comparative: older Superlative: oldest
The comparative and superlativeforms of grand are: Comparative: grander Superlative: grandest
What is the comparative and superlative of Often
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