observable
adjective
ob·serv·able
əb-ˈzər-və-bəl 
1
: noteworthy
the trend is observable all over the country
2
: capable of being observed : discernible
the size of the observable universe
Examples of observable in a Sentence
the size of the observable universe
scientists often work with phenomena that are not directly observable
Recent Examples on the Web
Naval analysts note that snorkeling periods can expose submarines to detection because the intake mast and exhaust emissions create observable signatures.
—
Kaif Shaikh, Interesting Engineering, 9 Feb. 2026
Most of the galaxies in the Universe are small and faint; most of the stars in the Universe emit primarily red or even infrared light; most of the galaxies in the Universe are rich in dust; most of the Universe that’s observable to us are located at significant cosmic distances.
—Big Think, 4 Feb. 2026
Central among them is whether agents reasonably perceived an imminent threat of death or serious bodily harm at the precise moment lethal force was used—a determination that depends on observable facts, not generalized fear.
—Diane Goldstein, Oc Register, 30 Jan. 2026
The governor’s substantive criticism of the president’s Davos speech as lacking new policy proposals and containing incoherent rhetoric about Greenland and windmills was grounded in observable facts about the address rather than mere partisan attack.
—George Skelton, Los Angeles Times, 26 Jan. 2026
See All Example Sentences for observable
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Kaif Shaikh, Interesting Engineering, 9 Feb. 2026
Most of the galaxies in the Universe are small and faint; most of the stars in the Universe emit primarily red or even infrared light; most of the galaxies in the Universe are rich in dust; most of the Universe that’s observable to us are located at significant cosmic distances.
—Big Think, 4 Feb. 2026
Central among them is whether agents reasonably perceived an imminent threat of death or serious bodily harm at the precise moment lethal force was used—a determination that depends on observable facts, not generalized fear.
—Diane Goldstein, Oc Register, 30 Jan. 2026
The governor’s substantive criticism of the president’s Davos speech as lacking new policy proposals and containing incoherent rhetoric about Greenland and windmills was grounded in observable facts about the address rather than mere partisan attack.
—George Skelton, Los Angeles Times, 26 Jan. 2026
See All Example Sentences for observable
Cite this Entry
“Observable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/observable. Accessed 14 Feb. 2026.
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