separately
Is is an adjective since it describes a noun. The adverb form would be "separately". An example of the adverb form would be "Batteries sold separately."
No, "thus" is not an adverb. It is an adverbial conjunction that can be used to show consequence or result.
They are two separate parts of speech. The word walking is a present participle (to walk) used as a noun or participial. Purposefully is an adverb.
Yes, and with two separate meanings. Roughly can be in a rough manner, or it can mean "approximately" or generally.
No, "no-one" is not an adverb. It is a pronoun that means "no person" or "nobody." Adverbs modify verbs, adjectives, or other adverbs.
It is closer to an adjective because it only modifies nouns. But it is classified as an "article" which is a separate form of grammatical determiner.
No. It can be a noun or adjective, and colloquially a verb with two separate uses (cotton=approve,accept and cotton to=become aware of).
The opposite of the adverb separately would be together, jointly, mutually, or cooperatively.
This is two separate parts of speech. The word "new" here is an adjective, and describes the plural noun "books."
Yes, it is an adverb, so it can answer the question "when" or more accurately "how frequently." The adverbs of frequency (daily, yearly, sometimes, occasionally) are sometimes listed as a separate classification from adverbs of time (suddenly, already, now, tonight, before, later).
No, "softly" is not a noun. It is an adverb used to describe how something is done.