Bitterly is not a noun, it is an adverb, a word that describes a verb.
No, bitterly modifies a verb making it an adverb.
The word bitter is an adjective (and in another context a noun). The adverb form is bitterly.
No. The word bitterly is an adverb.
The adverb form of the adjective bitter is bitterly--a bitterly ironic situation.Most of the time, -ly can be added to adjectives to create adverbs.
The opposite of the adverb bitterly is sweetly.The word sweetly is also an adverb.
She told the truth; albeit bitterly.
Today, he talked to me meanly and bitterly.
What type of noun is childhood
The president bitterly denounced the critics of his health care proposals.
Countryside is a type of common noun.
Yes, "bitterly" is an adverb. It modifies a verb, adjective, or another adverb to indicate that something is done in a bitter or resentful manner. For example, "She cried bitterly when she heard the news."
The noun thunder is a singular, common, concrete noun, a word for a thing.