Prettier
An adjective in its superlative form.
Perhaps you mean the comparative form: the comparative form of the adjective pretty is prettier. (The superlative form is prettiest, but comparative sounds more like cumulative.)
the superlative form of sad is SADDEST
The superlative form of an adjective indicates the highest degree of the quality that the adjective describes. The superlative form of oily is oiliest.
Longest is the superlative.
For the adjective "pretty" -- prettier is the comparative, and prettiest is the superlative.
In is not an adjective, so it doesn't have a superlative form
Get is not an adjective so it doesn't have a superlative form
Yes. it is the superlative form of the adjective bad. It can also be the superlative form of the adverb badly (most badly).
The comparative form for the adjective 'wide' is wider.The superlative form for the adjective 'wide' is widest.
bad is an adjective worse is the comparative form of bad - comparative adjective worst is the superlative form of bad - superlative adjective
Yes, it is an adjective. It is the superlative form of the adjective "weak."