ob·​serv·​able | \ əb-ˈzər-və-bəl How to pronounce observable (audio) \

Definition of observable

2 : capable of being observed : discernible

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Other Words from observable

observability \ əb-​ˌzər-​və-​ˈbi-​lə-​tē How to pronounce observability (audio) \ noun
observable noun
observably \ əb-​ˈzər-​və-​blē How to pronounce observably (audio) \ adverb

Synonyms & Antonyms for observable



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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 Data from Orbital Insight, show 937 million barrels of oil in observable storage. Daniel Wolfe, Quartz, "China has stockpiled 76 million barrels of oil since coronavirus lockdowns," 28 Apr. 2020 Anything is possible, but take a closer look at how often definitive predictions about permanent change are simply extrapolations of recently observable trends taken to some maximum extreme. Clay Chandler, Fortune, "As the pandemic rages, designers race to create more face masks and shields," 21 Apr. 2020 These trains can be observable for several seconds. Sarah Brookbank, Cincinnati.com, "Stuck at home? Check out the Lyrid meteor shower in your own backyard," 20 Apr. 2020 But aerosols would need to be reduced extensively during the shutdowns for any such spikes to be observable in regional—let alone global—temperatures. Adam Levy, Scientific American, "COVID-19 Could Help Solve Climate Riddles," 17 Apr. 2020 The same trend is observable on European stock markets. ... Stephen Wilmot, WSJ, "Property Bets Lose Curb Appeal in the Age of Coronavirus," 3 Apr. 2020 Their work has transformed how modern airports function, though not in ways that are readily observable to most passengers. Brendan I. Koerner, Wired, "It's a Bird! It's a Plane! The Midair Collisions Menacing Air Travel," 24 Jan. 2020 These trains can be observable for several seconds. Doyle Rice, USA TODAY, "Look up Tuesday night! You'll see the Lyrid meteor shower," 17 Apr. 2020 Beyond Laniakea is the observable universe, estimated to be home to two trillion galaxies. Jamie Carter, Travel + Leisure, "Your Cosmic Address Is the Trippiest Thing You'll Learn Today," 9 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'observable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of observable

1589, in the meaning defined at sense 2

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Time Traveler for observable

Time Traveler

The first known use of observable was in 1589

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Statistics for observable

Last Updated

20 May 2020

Cite this Entry

“Observable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/observable. Accessed 31 May. 2020.

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More Definitions for observable


How to pronounce observable (audio)

English Language Learners Definition of observable

: possible to see or notice : able to be observed


ob·​serv·​able | \ əb-ˈzər-və-bəl How to pronounce observable (audio) \

Kids Definition of observable

: noticeable Her cat's shape was observable under the blanket.

Other Words from observable

observably \ -​blē \ adverb

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Comments on observable

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