Dictionary.com
Thesaurus.com
Synonyms

observational

American  
[ob-zur-vey-shuh-nl] / ˌɒb zɜrˈveɪ ʃə nl /

adjective

  1. of, relating to, or founded on observation, especially founded on observation rather than experiment.


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.

See Examples For:

The authors found that EEA capabilities have improved markedly over the past decade, thanks to advances in understanding physical drivers of events, expanded observational data from satellites and radar, new statistical techniques and better models.

From Barron's Jul. 16, 2026

The majority of the studies on UPFs that make headlines are observational papers looking at associations between self-reported food intake and health outcomes—these tell us little about whether UPFs actually cause ill health.

From Slate Jul. 12, 2026

Equally at home in shadowy dives and modern mansions, she proves an adept investigator, with Sherlockian observational skills.

From The Wall Street Journal Jul. 9, 2026

However, the researchers emphasize that this was an observational study, meaning it cannot determine whether vitamin C directly causes these differences in brain structure or function.

From Science Daily Jul. 1, 2026

But he was able to develop on observational grounds something akin to the modern cosmic perspective: What a wonderful and Amazing scheme have we here of the magnificant vastness of the universe ...

From "Cosmos" by Carl Sagan

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training