Dubious
Dubious adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: any letter bearing the signature of Geronimo would be of dubious authenticity, to say the least
Uncertain is a synonym for dubious in doubtful topic. In some cases you can use "Uncertain" instead the word "Dubious" as an adjective or an adverb, when it comes to topics like certain, ambiguous, vague, unsure. popular alternative
Uncertain
Uncertain adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.
Usage example: never uncertain of her political beliefs or judgment, she was a decisive and fearless leader
Dubious is a synonym for uncertain in certain topic. You can use "Dubious" instead the word "Uncertain" as an adjective or an adverb, if it concerns topics such as doubtful, vague, unsure. popular alternative
Nearby Words: uncertainty, uncertainly
Mutual synonyms
Related pairs
- suspect and dubious
- suspect and uncertain
- questionable and dubious
- questionable and uncertain
- unsettled and dubious
- unsettled and uncertain
- unclear and dubious
- unclear and uncertain
- ambiguous and dubious
- ambiguous and uncertain
- doubtful and dubious
- doubtful and uncertain
- hesitant and dubious
- hesitant and uncertain
Both words in one sentence
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The addition of a DSB in the cast often adds a foreign flavor to the show, and it is not uncommon for the DSB to be of uncertain or dubious origin.
Source: Dark-Skinned Blond
Cite this Source
Uncertain and Dubious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/dubious/uncertain
Dubious & Uncertain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/dubious/uncertain>.
Uncertain or Dubious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/dubious/uncertain.
Google Ngram Viewer shows how "dubious" and "uncertain" have occurred on timeline