hy·​poth·​e·​size | \hī-ˈpä-thə-ˌsīz \
hypothesized; hypothesizing

Definition of hypothesize 

transitive verb

: to adopt as a hypothesis

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Examples of hypothesize in a Sentence

Psychologists hypothesized that his odd behavior was caused by a chemical imbalance in the brain. if we hypothesize that current population trends continue for the next 50 years

Recent Examples on the Web

Postolache's group has also explored cytokines that may be involved in triggering fatigue, hypothesizing that the allergic reaction is the direct biological cause of low mood. Elizabeth Landau, CNN, "Sad in the spring? Allergy-mood link is real," 23 Mar. 2018 As Sweeny and her colleagues had hypothesized, the subjects in the first group were far more likely to achieve a state of flow and, therefore, experienced less anxiety and stress. Jennifer Ouellette, Ars Technica, "Study: Tetris is a great distraction for easing an anxious mind," 2 Nov. 2018 The find was revolutionary, confirming much of what scientists had only previously hypothesized. Jason Daley, Smithsonian, "If a Cosmic Bubble Destroys the Universe, Scientists Now Know When It’ll Happen," 9 Apr. 2018 As Tasoff reports, the Kepler mission gave researchers enough information to begin hypothesizing how many planets are orbiting stars. Jason Daley, Smithsonian, "Five Things to Know About NASA’s New Planet-Hunting Satellite," 17 Apr. 2018 If confirmed, the findings would offer the first solid clue as to what caused Earth's first mass extinction—hypothesized to be the result of everything from toxic metals unleashed in the oceans to radiation from a distant gamma-ray burst. Shannon Hall, Scientific American, "Volcanoes May Have Triggered the Last Unexplained Mass Extinction," 1 Aug. 2017 Cosmopolitan magazine had a body language expert analyze photos of them to hypothesize about their developing relationship. Lauren Chval, chicagotribune.com, "As Meghan Markle and Kate Middleton get closer, what's the ideal sister-in-law relationship?," 29 Mar. 2018 The finding jibes with what astronomers hypothesize about how the solar system formed. Jason Daley, Smithsonian, "Diamonds Trapped in Strange Meteorite Came From Solar System’s Earliest Planets," 19 Apr. 2018 Brown hypothesizes that Uber and Lyft drivers might be less discriminatory because their services are cashless, which makes them less appealing targets for robbery. Aarian Marshall, WIRED, "The Good and Bad of Ride-Sharing When It Comes to Race," 11 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hypothesize.' 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 hypothesize

1738, in the meaning defined at intransitive sense

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Last Updated

5 Dec 2018

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Time Traveler for hypothesize

The first known use of hypothesize was in 1738

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More Definitions for hypothesize



English Language Learners Definition of hypothesize

: to suggest (an idea or theory) : to make or suggest (a hypothesis)

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More from Merriam-Webster on hypothesize

Rhyming Dictionary: Words that rhyme with hypothesize

Thesaurus: All synonyms and antonyms for hypothesize

Britannica English: Translation of hypothesize for Arabic Speakers

Comments on hypothesize

What made you want to look up hypothesize? Please tell us where you read or heard it (including the quote, if possible).


the figure or shape of a crescent moon

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