busiest
The superlative form of genuine is more genuine.
The superlative form of wise is wisest.
The superlative form of "slim" is "slimmest."
Last is the superlative form of late.late /later /last
The comparative is grumpier and the superlative is grumpiest.
They are "busier" and "busiest".
Busiest is not an adverb. It's the superlative form of the adjective busy.
No, the word 'busiest' is the superlative form of the adjective busy (busier, busiest).The abstract noun form of the adjective 'busy' is business.
Comparative: busier Superlative: busiest
busiest
Busy becomes busier and busiest.
busier, busiest
busier, and busiest
busier, busiest
the superlative form for movingly in most movingly
Neither. It's the positive degree.
The superlative form of ancient is ancientosity