noun

supposition

suh-puh-ZIH-shuhn

Supposition (noun) means an assumption made without full proof. Example: “Her theory rests entirely on supposition.”

noun

An assumption made without full proof.

"Her theory rests entirely on supposition."

"It's only a supposition, but I think he's hiding something."

How to use supposition

Learner’s notes

In plain EnglishAn unproven assumption or guess used as a starting point.

Common pairings

mere supposition based on supposition

suppositions plural

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Can you complete this real example?

Her theory rests entirely on _____.

From Latin suppositio, from sub- ("under") + positio ("position"), from ponere ("to put, place").

Origin: Latin

assumption conjecture educated guess given foreguess guess guesstimate hunch hypothesis inference overhope posit

get think given position guess particular theory suppose

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What does “supposition” mean?

The word “supposition” means an assumption made without full proof. In plain terms, an unproven assumption or guess used as a starting point.

How do you pronounce “supposition”?

“Supposition” is pronounced suh-puh-ZIH-shuhn (/ˌsʌpəˈzɪʃən/ in IPA).

How do you use “supposition” in a sentence?

Here is “supposition” used in a sentence: “Her theory rests entirely on supposition.”

What is another word for “supposition”?

Words with a similar meaning to “supposition” include assumption, conjecture, educated guess, given, foreguess and guess.

What part of speech is “supposition”?

“Supposition” is a noun.

Where does the word “supposition” come from?

The word “supposition” comes from Latin. From Latin suppositio, from sub- ("under") + positio ("position"), from ponere ("to put, place").

get think given position guess particular theory suppose