it is a verb because it shows action.
In the sentence 'She replied that she felt better' yes, felt is a correct form in this sentence.
FAlTER MEANS TO LOSE FAiTH.he falter in all.....in speech,in movement and even in action.
When Jacob spoke to the noisy crowd, he felt like he was addressing a wall. Why is Janet addressing that business letter by hand?
In this sentence, "felt" is an action verb. An action verb shows the action that the subject (John) is performing, which in this case is feeling sick after lunch.
"He suddenly felt as if he were seeing the past and the future all at once." "Georgia's cheeks burned as the other girls walked past her, giggling and whispering."
I felt uneasy when the nurse pulled a syringe out from her cabinet.
He felt uneasy about Queequig and Ahab.
Adverb
The patient had a feeling of malaise before she felt a surge of energy. Malaise means the patient felt uneasy.
After walking on the beach all day barefoot, my feet felt gritty.
After walking on the beach all day barefoot, my feet felt gritty.
a guilty conscience
Walking into the grim, forbidding house, Johnny felt a shiver travel down his spine.
I was about to ask her to marry me, and I felt butterflies in my stomach.
Although I was still uneasy, I felt better knowing I was safe in my locked home.
In the sentence 'She replied that she felt better' yes, felt is a correct form in this sentence.
The man was confident and felt ardor when he went up for his big speech.