observational

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.

Yet there is no observational evidence for macroscopic wormholes, nor any compelling theoretical reason to expect them within Einstein’s theory.

From Science Daily • May 22, 2026

These studies were observational, which differs from research done on drugs to study intended effects.

From The Wall Street Journal • May 21, 2026

Such observational research alone doesn’t prove that natural food colors harm health.

From The Wall Street Journal • May 20, 2026

However, they also point out that most studies so far have been observational, with relatively few long term intervention trials.

From Science Daily • May 10, 2026

This picture of a universe that started off very hot and cooled as it expanded is in agreement with all the observational evidence that we have today.

From "A Brief History of Time: And Other Essays" by Stephen Hawking