No. Superlative is an adjective. The adverb form is superlatively (in a comparative manner).
It’s actually ‘best’. Better and best are the comparative and superlative forms of both good and well.
harder, hardest
Soonest
easily is an adverb and does not have a superlative. easy is an adjective and has the superlative form easiest. eg That was the easiest game we have had.
tunefully is the adverb, most tunefully the superlative. She sang most tunefully
No. Superlative is an adjective. The adverb form is superlatively (in a comparative manner).
no it is superlative adjective. not an adverb.
Yes, it can be. Worst can be a superlative adjective or a superlative adverb (meaning most badly).
It’s actually ‘best’. Better and best are the comparative and superlative forms of both good and well.
No, it is an adjective (superlative of kind).The adverb form would be most kindly (superlative of kindly).
Superlative
harder, hardest
No. Safest is the superlative form of the adjective safe (most safe).The adverb form of safe is safely, and the superlative form of the adverb is most safely.
Busiest is not an adverb. It's the superlative form of the adjective busy.
The word "best" is a comparative (superlative) adjective, not an adverb.
Soonest