noun
supposition
suh-puh-ZIH-shuhn
Supposition (noun) means an assumption made without full proof. Example: “Her theory rests entirely on supposition.”
noun
1
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 notesIn plain EnglishAn unproven assumption or guess used as a starting point.
Common pairings
mere supposition
based on supposition
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Word forms
- Plural
- suppositions
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Her theory rests entirely on _____.
Etymology
From Latin suppositio, from sub- ("under") + positio ("position"), from ponere ("to put, place").
Synonyms
View more →
assumption
conjecture
educated guess
given
foreguess
guess
guesstimate
hunch
hypothesis
inference
overhope
posit
Antonyms
Related words
Rhymes for supposition
region
ablation
allusion
emulsion
ideation
novation
diffusion
elocution
extension
oxidation
perfusion
selection
See all rhymes for supposition →
Frequently asked questions
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").