fierce

"The child's enthusiasm for the new school project was exceedingly high. "

"The exceptional student in our class received a perfect score on the exam. "

"His sudden appearance surprised me."

"The firemen battered down the door."

"The student's excellent performance on the math test showed they had surpassed their previous scores. "

"The storm raged with ferocious energy, ripping branches from trees and flinging debris everywhere. "

"The weather was extremely hot today; we stayed inside all afternoon. "

"The student studied for the exam strenuously, spending hours reviewing notes and practicing problems. "

"He threatened me with a knife."

"He wanted to exhibit his baseball cards."

"The resolute faced every obstacle with unwavering determination, never giving up on their goals. "

"A confident demeanor is crucial for persuading others."