“Aristotle asserts that no pestilent disease similar to those by which men and quadrupeds suffered has ever attacked the fish.”

“A quantity of small-pox matter not so big as a pin's head will produce many thousand pustules, each containing fifty times as much pestilent matter as was originally inserted.”

“The unsanitary conditions create a perfect environment for infectious, contagious and pestilent disease.”

“He was just a pesty fellow, and I told him to leave me alone.”

“Sometimes I was pesty en he whip me wid a switch, but he never whip so hard.”

“I wonder if that pesty psychiatrist has been right, all along?”

“The other outward signs of pestilential disease, such as buboes, were symptomatic of the body's effort to expel this poison from inside the body.”

“However hard we try, there is always a pestilential, nagging doubt that somehow we are missing the mark.”

“He found a population of about 150 Malay inhabitants and a tropical rainforest edged by pestilential swamps.”

“When soybeans are infected or otherwise stressed, the plants make three glyceollins with natural pesticidal properties.”

“Oils containing naphthene are less pesticidal and more likely to injure plants than paraffinic types.”

“A single pesticidal product rarely gives the most effective and economical control.”