perturbed

"A school of fish disturbed the water."

"The loud music caused a disturbance in the library, making it hard to concentrate. "

"The unexpected announcement of a new school policy unsettled many parents. "

"the resistance of bacteria to certain antibiotics"

"He was slightly built, but tall."

"The teacher made a correction to the student's spelling mistake. "

"After a glass of wine, her cheeks flustered, giving her a warm, happy glow. "

"The heavy rain was unexpected; we had planned a picnic in the park. "

"This manuscript is the original."

"The gravitational pull of the Earth keeps us on the ground. "

"We need to bring the balance of power into equation"

"The student was exerting all her effort to finish the difficult exam. "