observational

[ob-zur-vey-shuh-nl]

adjective

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

Other Word Forms

• observationally adverb
• nonobservational adjective
• preobservational adjective

Word History and Origins

Origin of observational¹

First recorded in 1825–35; observation + -al ¹

Example Sentences

As a result, slowly tumbling asteroids change their spin very slowly, and become stuck in the slow-rotation zone below the gap in the observational data from Gaia.

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Another review said Roy explores urban alienation with "remarkable subtlety", praising her deliberately slow, observational style of filming which allows the "emotional terrain" of the characters to emerge with clarity.

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He is known as a more family-friendly comedian who often uses observational humour.

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An observational study of 30 special forces veterans by researchers at Stanford University suggests that ibogaine can be highly effective at reducing anxiety, depression and cognitive challenges associated with TBI.

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Of course, YouTube has a wealth of travel and observational content.

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Related Words

• experimental 
• factual