Definitions

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.

"Our results have far-reaching implications. Firstly, it refutes the hypothesis that any organics found in fossils must result from contamination."

From Science Daily • May 14, 2026

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

From MarketWatch • May 12, 2026

Some Argentinian officials have said that is their leading hypothesis, but nothing has yet been confirmed.

From BBC • May 11, 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

She wrote the first hypothesis out on the board: “Sensitivity is heightened on your dominant side.”

From "Nine, Ten: A September 11 Story" by Nora Raleigh Baskin

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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