Hysterically is an adverb.
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
Hysterically is the correct spelling, just as you have it in the question.
No, hysterically is an adverb.The adjective would be hysterical.
She hysterically laughed for a few moments. The boy went hysterical. Don't laugh hysterically in a classroom, or you'll get punished!
When the woman realized that her child was kidnapped, she began to cry hysterically.
It can be, depending on the way it's used.
hysterically
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
She hysterically laughed for a few moments. The boy went hysterical. Don't laugh hysterically in a classroom, or you'll get punished!