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Showing results for supposition. Search instead for superpositio.
Definitions

supposition

[suhp-uh-zish-uhn] / ˌsʌp əˈzɪʃ ən /
NOUN
guess, belief
Synonyms
STRONGEST
conjecture guesswork hunch hypothesis presumption thesis
STRONG
assumption condition doubt guessing guesstimate idea likelihood notion opinion posit postulate postulation premise presupposition speculation surmise suspicion theory view
WEAK
apriorism rough guess shot in the dark sneaking suspicion stab in the dark suppose
Antonyms
STRONGEST
fact proof reality truth
STRONG
certainty information knowledge trust

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.

The investor supposition was they likely wouldn’t become acquisition targets.

From Barron's • Sep. 26, 2025

You might leave the enjoyable “Sangre de Nopal/Blood of the Nopal” scratching your head over the supposition of the primacy of an art and science “collision.”

From Los Angeles Times • Aug. 29, 2024

She added the claim that Aldi's sales could only be the result of gaining unfair advantage from Thatchers' reputation "amounts to little more than supposition".

From BBC • Jan. 24, 2024

This theme is much more convincingly sounded when Fox is able to find it in bona fide news events rather than having to manufacture outrage out of anecdote and supposition.

From Slate • Apr. 9, 2023

We had our own kind of fame, based mostly on the rich girls' supposition and our own silence.

From "How the García Girls Lost Their Accents" by Julia Alvarez