Comparative: thinner Superlative: thinnest
The comparative and superlativeforms of grand are: Comparative: grander Superlative: grandest
Comparative: shallower Superlative: shallowest
The comparative is "stricter" and the superlative is "strictest".
comparative = sadder superlative = saddest
Comparative: touchier Superlative: touchiest
thinner
thinner, thinnest
thinner, thinnest
thinner, thinnest
thinner, thinnest
thinner, thinnest
There is no procedure (except maybe looking it up in the dictionary, if you don't know on your own). The comparative of thin is thinner; the superlative is thinnest.
The comparative form of "thin" is "thinner," and the superlative form is "thinnest." These forms are used to compare the thickness of two or more objects or individuals. For example, you might say, "This book is thinner than that one," or "She is the thinnest person in the group."
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