hy·​poth·​e·​size | \ hī-ˈpä-thə-ˌsīz How to pronounce hypothesize (audio) \
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

In 2015, the LIGO telescope became the first to detect gravitational waves, first hypothesized by Einstein over a hundred years ago. Avery Thompson, Popular Mechanics, "LIGO Gravitational Wave Observatory Getting $30 Million Upgrade," 15 Feb. 2019 Wade and colleagues noted that men and women prioritize different traits during mate selection, and thus hypothesized that men and women might be differentially responsive to different reconciliatory tactics. Cindi May, Scientific American, "How To Reconcile With A Romantic Partner," 17 Apr. 2018 Reid hypothesizes that the ants decide whether or not to stay part of the bridge based on how often they are touched. Jay Bennett, Popular Mechanics, "Army Ants Use Themselves To Build Perfectly Efficient Living Bridges," 24 Nov. 2015 Laukkanen hypothesizes that improved arterial flexibility and dilation reduces the amount of force that moving blood exerts on the blood vessel walls. SELF, "Does the Steam Room at the Gym Actually Do Anything?," 4 Jan. 2019 Better video games might make leisure time more attractive, some economists hypothesize, and opioid use might make many less employable. Jeanna Smialek, The Seattle Times, "Millennial men leave perplexing hole in hot US job market," 20 Nov. 2018 The team hypothesizes fewer seeds will survive on south-facing slopes and at lower elevations since those locations are generally hotter and drier. Kristen Pope, Discover Magazine, "Wildfire Engulfed Yellowstone 30 Years Ago. Its Recovery Could Predict The Future of the West," 12 Nov. 2018 How much of what’s in the film is drawn from people hypothesizing, conjecturing, and how much is from interviews and the book? Alissa Wilkinson, Vox, "First Man’s screenwriter thinks Neil Armstrong would be disappointed by the flag controversy," 15 Oct. 2018 But some national caving rescue experts can hypothesize. Tassannee Vejpongsa, BostonGlobe.com, "Trapped boys may have to dive from Thai cave despite peril," 3 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

28 Feb 2019

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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).


to boil down or concentrate

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