hypothesis

[hahy-poth-uh-sis, hi-] / haɪˈpɒθ ə sɪs, hɪ- /

NOUN

theory

Synonyms

STRONGEST

assumption axiom conclusion conjecture explanation guess inference interpretation premise proposition rationale supposition theorem thesis

STRONG

antecedent assignment attribution basis belief condition data deduction demonstration derivation foundation ground layout lemma philosophy plan position postulate presupposition principle proposal reason scheme speculation suggestion surmise system term

WEAK

apriority shot in the dark starting point tentative law

Antonyms

STRONGEST

fact proof reality truth

WEAK

calcualtion measurement

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Furthermore, alongside the anatomical study, we have also proposed a new hypothesis that redefines the evolutionary relationships of stegosaurs worldwide.

From Science Daily • May 17, 2026

Its goal was to test the hypothesis: Does using hormone therapy decrease the risk of heart disease?

From MarketWatch • May 12, 2026

Argentinian officials who spoke anonymously to some news outlets have said that is their leading hypothesis.

From BBC • May 10, 2026

“My hypothesis is that we absolutely crushed our first and second quarters, with growth rates that I’m not sure we’ve ever seen before,” he said.

From Barron's • Apr. 30, 2026

Polling with Confidence Estimating characteristics of a population, such as the percentage who favor a certain candidate or a particular brand of dog food, is, like hypothesis testing, simple in principle.

From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos

Vocabulary lists containing hypothesis

The SAT: Language of the Test, List 1

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100 Top "SAT" Words

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Tier 2 Words for the SBAC ELA Items

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