the simplest way to answer this is "have you ever done something that came back and kicked you in the butt?"
No. The word bitterly is an adverb.
No, bitterly modifies a verb making it an adverb.
She told the truth; albeit bitterly.
The opposite of the adverb bitterly is sweetly.The word sweetly is also 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.
David committed adultery with Bathsheba and arranged for her husband to be placed in battle so he would be killed. David then married her and she bore him four sons. David was to bitterly regret the sins he committed.
Today, he talked to me meanly and bitterly.
Bitterly is not a noun, it is an adverb, a word that describes a verb.
The president bitterly denounced the critics of his health care proposals.
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 doorman complained bitterly about the noise coming from the neighbors' party late at night.
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