Some words can be both adjectives and adverbs.
A few examples are fast, slow, high, and time adverbs such as hourly and daily.
Of particular note is "high" because its adverb form (highly) has connotations (in an elevated manner, or extremely) that prevent it from being used with some verbs, e.g. "The ball was thrown high" or "How high does it fly?"
the word" comfortable " can be used both ways as an adverb or adjective.
Wide can be used as both an adjective and an adverb.Adjective: a wide turnAdverb: open wide
Nervous is an adjective. The adverb form is nervously.
Comprehensible is an adjective. The adverb is comprehensibly.
Silently is an adverb. The adjective is silent.
Yes the word "early" can be both an adjective and an adverb.
Respectful can be both an adjective and adverb."respectful children" (adjective)It ends with -ful, so it can be an adverb as well.
Yes, "especially" can function as both an adverb and an adjective. As an adverb, it modifies a verb, an adjective, another adverb, or a sentence. As an adjective, it describes a noun.
The word "louder" is an adverb. It is used to describe the manner in which something is being done, typically in relation to volume or intensity.
both
both
Both!
It can be both.
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both
Both!
Last can be used as both. arrived last (adverb) last word (adjective)