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 Unlike regular truth, the two-plus-two-equals-four, actual state of the matter, conforming with reality, observable and verifiable truth, Truth with a capital T is grander, subjective, not always provable. Karina Bland, azcentral, "How can you find your Truth, with a capital T?," 22 Mar. 2020 In other words, the only attribute of political leadership observable on Wednesday was Trump’s ability to read from a teleprompter. Masha Gessen, The New Yorker, "How the Coronavirus Pandemic Fuels Trump’s Autocratic Instincts," 13 Mar. 2020 But at this point, the interpersonal tension seems less relevant than her observable behavior. Karla L. Miller, Washington Post, "How can a staff professional cope with a demanding, hypercritical volunteer on a nonprofit committee?," 19 Oct. 2019 The complete definition must also include the signals giving rise to fear (antecedents) and objectively observable behaviors (consequents). Dean Mobbs, Scientific American, "On the Nature of Fear," 20 Sep. 2019 This process is clearly observable in Spain—where Spanish and Catalan nationalism are now stoking each other in a noxious symbiotic process. The Economist, "The World in 2020 The coming surge of separatism," 30 Dec. 2019 Hollywood has long been plagued with an observable problem where consent and abuse are concerned. Ineye Komonibo, refinery29.com, "SAG-AFTRA Is Working Hard To Make Hollywood Safer For Its Stars," 29 Jan. 2020 Astronomers can define the volume of the observable universe, however, based on the distance light has been able to travel between the Big Bang and present day. Charlie Wood, Popular Science, "How astronomers weigh the universe (and everything in it)," 26 Dec. 2019 Animal behaviorists and neuroimmunologists use the term sickness behavior to describe the observable behavior changes that occur during illness. Joshua Schrock, The Conversation, "Feeling sick is an emotion meant to help you get better faster," 17 Dec. 2019

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

25 Mar 2020

Cite this Entry

“Observable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/observable. Accessed 5 Apr. 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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