Assumption and Doubt

Opposite meaning words

Assumption noun - Something taken as being true or factual and used as a starting point for a course of action or reasoning.

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Doubt is an antonym for assumption in topics: power, arrogance, something expected.

Nearby Words: assume, assumed, assumptive

Doubt noun - A feeling or attitude that one does not know the truth, truthfulness, or trustworthiness of someone or something.

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Assumption is an antonym for doubt.

good	good assumption	good doubt
similar	similar assumption	similar doubt
initial	initial assumption	initial doubt
reasonable	reasonable assumption	reasonable doubt
Other adjectives: obvious, strong, big, arrogant, bad, personal, major, last.

While this no doubt included sexual favors in some cases, that wasn't the default assumption.

Source: Have a Gay Old Time
In Slightly Damned Angels and Demons appear to superficially follow their associated tropes of good and evil, but the more that is learned about the angels, their magic, talismans and how they interact with demons, the more doubt is thrown onto the binary assumption.

Source: Not So Different / Web Comics
Before he could find out what that was, Emma was fatally shot in the chest by a masked assailant on Craven's front porch... a shot that the Boston Police believed was meant for Craven himself.However, his daughter's strange behavior before her death gave Craven reason to doubt that assumption.

Source: Film / Edge of Darkness (2010)

Cite this Source

Doubt and Assumption. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/assumption/doubt

Assumption & Doubt. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/assumption/doubt>.

Doubt or Assumption. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/assumption/doubt.

Google Ngram Viewer shows how "assumption" and "doubt" have occurred on timeline