preexisting

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

More detailed research is needed to separate the effects of different drugs, doses, treatment durations, underlying health conditions, and preexisting valve abnormalities.

From Science Daily • Jul. 12, 2026

Before the Affordable Care Act took effect in 2014, insurers in the individual market could refuse coverage to people with serious preexisting conditions or those working in high-risk occupations.

From MarketWatch • May 30, 2026

But when the researchers took into account confounding factors such as a family history of neurodevelopmental disorders or mothers’ preexisting mental health conditions, the correlation disappeared.

From Los Angeles Times • May 27, 2026

“Rehnquist reinforced John’s preexisting philosophies,” said Paul Smith, now a prominent liberal Supreme Court litigator who clerked that same year for Justice Lewis Powell.

From Slate • May 7, 2026

At many moments in history, states have arisen independently—or, as cultural anthropologists say, “pristinely,” that is, in the absence of any preexisting surrounding states.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond