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.

This jibes with the challenge hypothesis, which says, in multiple species, testosterone levels rise when males battle for attention from potential mates and go down when it’s time to take care of the young.

From Los Angeles Times • Jun. 10, 2026

Experiments in genetically modified mice provided additional support for the hypothesis.

From Science Daily • Jun. 10, 2026

When one examines statistical deviations from trend for output and employment, economies look similar before and after recessions, and he sees little support for the Schumpeterian creative-destruction hypothesis.

From The Wall Street Journal • Jun. 5, 2026

The last and smallest entry point is prediction platforms, through which investors can place money on a hypothesis.

From Barron's • Jun. 3, 2026

In 1902, Darbishire launched a fresh volley of experiments on mice, hoping to disprove Mendel’s hypothesis once and for all.

From "The Gene" by Siddhartha Mukherjee

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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