observational
Americanadjective
Other Word Forms
Etymology
Origin of observational
First recorded in 1825–35; observation + -al 1
Vocabulary lists containing 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.
"These findings add to emerging evidence that UPFs have major adverse health effects and underscore the need for large-scale observational studies and randomized trials to adequately test the hypothesis."
From Science Daily ● Aug. 27, 2026
Much of that evidence, however, has varied in quality and has been observational.
From Science Daily ● Aug. 23, 2026
The discovery also demonstrates that these elusive objects can be identified with conventional sky surveys combined with machine learning, rather than relying exclusively on more expensive observational methods.
From Science Daily ● Aug. 6, 2026
Medical schools, too, have long incorporated the study of performance to develop empathy and observational acuity in future doctors.
From Salon ● Jul. 30, 2026
Even with my observational data and the magazine article, would my parents believe me?
From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
