It means "of or about the word" - adverbs are words that modify verbs, adjectioves, or other adverbs.
adverb
It can be either. The word "on" can be a preposition, or a standalone adverb (meaning forward). It can also be an adjective.
No, it's an adjective. The adverb is shortly. Actually there are instances where "short" is used as an adverb. For instance, "The car stopped short" (meaning abruptly), and "Jon was a bit short with me" (meaning curt), are two examples. In the majority of cases, however, the word is used as an adjective.
Yes. The word slowly is an adverb. The word "slow" can also be used as an adverb with the same meaning.
It is an adverb. The adjective form is magnanimous, meaning generous or forgiving.
No. The word advanced is a verb, or an adjective. There is no adverb meaning "in an advanced manner.
adverb
It can be either. The word "on" can be a preposition, or a standalone adverb (meaning forward). It can also be an adjective.
No. Drop is a verb or a noun. There is no adverb form meaning done in a dropping manner.
Yes, it is an adverb. It means in an elegant or fashionable manner.
Yes, the word 'just' can be used as an adverb. It can also be an adjective meaning "fair."
The word "water" and the word "agua" have the same meaning as aqua.
No, soldier is not an adverb. It is a noun meaning an individual in the army or other military role.
No. It can only be a preposition. The idiomatic form "of course" is an adverb meaning certainly or surely.
It is a contraction, not a modifier, but it includes an adverb. Don't means do not, where "do" is a helping verb, and "not" is an adverb. The word "don't" can also be a noun, meaning something that you should not do.
The word immediate, meaning "at that given moment", is an adjective.
High ; Adjective (Noun descriptor) Highly ' Adverb (Verb qualifier). The 'Height' Noun